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Levonorgestrel Impurity 19

ULL2252 /

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ULL2253

ULL2253 /

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D-(-)-Norgestrel 17-Acetate

ULL2254 /

CAS No.：13732-69-9

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Levonorgestrel Impurity 20

ULL2255 /

CAS No.：51773-49-0

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Levonorgestrel EP Impurity H (6-beta-Hydroxy Levonorgestrel)

ULL226 /

CAS No.：55555-97-0

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Levonorgestrel EP Impurity N

ULL229 /

CAS No.：4222-96-2

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Levofloxacin

ULL231 /

CAS No.：100986-85-4

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Levofloxacin EP Impurity H (Levofloxacin USP Related Compound C)

ULL2310 /

CAS No.：177472-30-9

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Levofloxacin-d8 HCl

ULL2311 /

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Levofloxacin Diformyl Impurity

ULL2312 /

CAS No.：151377-74-1

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Levofloxacin EP Impurity C (Levofloxacin N-Oxide)

ULL2313 /

CAS No.：117678-38-3

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Levofloxacin-Acyl-D-Glucuronide

ULL2314 /

CAS No.：160962-46-9

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Ofloxacin EP Impurity D (S-Isomer) (9-Piperazine Levofloxacin Impurity)

ULL2315 /

CAS No.：178912-62-4

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Levofloxacin EP Impurity E ((S)-Ofloxacin EP Impurity B, Decarboxyl Levofloxacin)

ULL2316 /

CAS No.：178964-53-9

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Levofloxacin Impurity 14

ULL2317 /

CAS No.：110548-02-2

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Levofloxacin Impurity 15

ULL2318 /

CAS No.：103995-33-1

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Levofloxacin Impurity 3

ULL2319 /

CAS No.：2489671-28-3

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Levofloxacin EP Impurity F (Levofloxacin USP Related Compound B)

ULL232 /

CAS No.：100986-89-8

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Levofloxacin Impurity 4

ULL2320 /

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Levofloxacin Impurity 5

ULL2321 /

CAS No.：2206360-62-3

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rac-Levofloxacin Impurity 6

ULL2322 /

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Levofloxacin Impurity 7

ULL2323 /

CAS No.：1607796-83-7

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Levofloxacin Impurity 8

ULL2324 /

CAS No.：110548-07-7

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Levofloxacin Impurity 9

ULL2325 /

CAS No.：110548-06-6

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Levofloxacin Impurity 10

ULL2326 /

CAS No.：106939-34-8

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Levofloxacin Impurity 11

ULL2327 /

CAS No.：106939-42-8 (free base)

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Levofloxacin Impurity 12

ULL2328 /

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Levofloxacin Impurity 13 HCl

ULL2329 /

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Levofloxacin EP Impurity B (N-Desmethyl Levofloxacin)

ULL233 /

CAS No.：117707-40-1

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Levofloxacin Impurity 16

ULL2330 /

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N-Ethyl Levofloxacin

ULL2331 /

CAS No.：106939-30-4

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Levofloxacin Impurity 17

ULL2332 /

CAS No.：110548-03-3

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Levofloxacin Impurity 18

ULL2333 /

CAS No.：138998-47-7

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Levofloxacin Impurity 19

ULL2334 /

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Levofloxacin Impurity 20

ULL2335 /

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Levofloxacin Impurity 21

ULL2336 /

CAS No.：1268719-66-9

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Levofloxacin Impurity 22

ULL2337 /

CAS No.：177472-29-6

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Levofloxacin Impurity 23

ULL2338 /

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Levofloxacin Impurity 24

ULL2339 /

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N-Desmethyl Levofloxacin-d8

ULL234 /

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Levofloxacin Impurity 25

ULL2340 /

CAS No.：431058-46-7

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Levofloxacin Impurity 26

ULL2341 /

CAS No.：117620-84-5

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Levofloxacin Impurity 27

ULL2342 /

CAS No.：82419-35-0

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Levofloxacin EP Impurity G HCl (Levofloxacin USP Related Compound E, N,N'-Desethylene Levofloxacin HCl)

ULL2343 /

CAS No.：1346603-62-0

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Levofloxacin Impurity 28

ULL2344 /

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Levofloxacin Impurity 29

ULL2345 /

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Levofloxacin Impurity 30

ULL2346 /

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Levofloxacin Impurity 31

ULL2347 /

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Levofloxacin Impurity 32

ULL2348 /

CAS No.：1430222-73-3

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Levofloxacin Impurity 33

ULL2349 /

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Taipei, New Taipei, Keelung / Yilan / Hualien

Taipei, New Taipei, Keelung / Yilan / Hualien
Taoyuan
Hsinchu County / Hsinchu City / Miaoli
Taichung/Changhua/Nantou
Yunlin/Chiayi/Tainan
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Taipei Branch

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Telephone 02-2786-2331

Fax 02-2653-6959

Mail taipei@echochemical.com

Taoyuan Branch

Address 2nd Floor, No. 62, Fuxing Street, Pingzhen District, Taoyuan City

Telephone 03-494-6939

Fax 03-493-0687

Mail chungli@echochemical.com

Head Office / Zhumen Branch

Address No. 16, Gongye Road, Toufen City, Miaoli County

Telephone 037-621-088

Fax 037-615-096

Mail miaoli@echochemical.com

Taichung Branch

Address 15F-2, No. 218, Section 1, Wenxin Road, Nantun District, Taichung City

Telephone 04-2472-8859

Fax 04-2472-8825

Mail taichung@echochemical.com

Tainan Branch

Address No. 33, Lane 63, Yanzhou 1st Street, Yongkang District, Tainan City

Telephone 06-243-6589

Fax 06-253-8208

Mail tainan@echochemical.com

Kaohsiung Branch

Address No. 479, Fengding Road, Fengshan District, Kaohsiung City

Telephone 07-753-9988

Fax 07-753-1958

Mail kaohsiung@echochemical.com

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