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Sildenafil Impurity 8

ULS06113 /

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Sildenafil Impurity 9

ULS06114 /

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Sildenafil Impurity 10

ULS06115 /

CAS No.：358388-58-6

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Sildenafil Impurity 11

ULS06116 /

CAS No.：2520113-02-2

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Sildenafil Impurity 12

ULS06117 /

CAS No.：2520113-03-3

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N-Desmethyl Sildenafil N-Glucuronide Sodium Salt

ULS06118 /

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N-Desmethyl Sildenafil N-Glucuronide Amadori Rearrangement Impurity

ULS06119 /

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Dimethyl Sildenafil

ULS0612 /

CAS No.：496835-35-9

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Sildenafil Impurity 17

ULS06120 /

CAS No.：1621873-33-3

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Sildenafil Impurity 18 (Dithiopropylcarbodenafil)

ULS06121 /

CAS No.：2196244-90-1

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N-Boc-N-Desethyl Acetildenafil

ULS06122 /

CAS No.：1246820-46-1

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Piperazonifil

ULS06123 /

CAS No.：1335201-04-1

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Mutaprodenafil

ULS06124 /

CAS No.：1387577-30-1

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Sildenafil Impurity 19

ULS06125 /

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Sildenafil Impurity 20

ULS06126 /

CAS No.：372089-76-4

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Sildenafil Impurity 21

ULS06127 /

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Sildenafil Impurity 22

ULS06128 /

CAS No.：200575-15-1

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Sildenafil Impurity 23

ULS06129 /

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N-Desethyl Acetildenafil

ULS0613 /

CAS No.：147676-55-9

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Sildenafil Impurity 24

ULS06130 /

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Sildenafil Impurity 25

ULS06131 /

CAS No.：2021224-02-0

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Sildenafil Impurity 26

ULS06132 /

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Sildenafil Impurity 28

ULS06133 /

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Sildenafil Impurity 29

ULS06134 /

CAS No.：139755-84-3

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Sildenafil Impurity 30

ULS06135 /

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Sildenafil Impurity 31

ULS06136 /

CAS No.：147676-64-0

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Sildenafil Impurity 32

ULS06137 /

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Sildenafil Impurity 33

ULS06138 /

CAS No.：1971915-89-5

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Sildenafil Impurity 34

ULS06139 /

CAS No.：383427-88-1

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Hydroxy Acetildenafil

ULS0614 /

CAS No.：147676-56-0

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Sildenafil Impurity 35

ULS06140 /

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Sildenafil Impurity 36

ULS06141 /

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Sildenafil Impurity 37

ULS06142 /

CAS No.：1643-19-2

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Sildenafil Impurity 38

ULS06143 /

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Sildenafil Impurity 39

ULS06144 /

CAS No.：1797861-66-5

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Sildenafil Impurity 40

ULS06145 /

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Sildenafil Impurity 41

ULS06146 /

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Sildenafil Impurity 42

ULS06147 /

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Sildenafil Impurity 43

ULS06148 /

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Sildenafil Impurity 44

ULS06149 /

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Nor-Acetildenafil

ULS0615 /

CAS No.：949091-38-7

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Sildenafil Impurity 45

ULS06150 /

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Sildenafil Impurity 46

ULS06151 /

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Sildenafil Impurity 47

ULS06152 /

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Sildenafil Impurity 48

ULS06153 /

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Sildenafil Impurity 49

ULS06154 /

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Sildenafil Impurity 50

ULS06155 /

CAS No.：1093065-15-6

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Sildenafil Impurity 51

ULS06156 /

CAS No.：1363693-47-3

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Sildenafil Impurity 52

ULS06157 /

CAS No.：139756-26-6

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Acetildenafil Impurity 1

ULS06158 /

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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
Kaohsiung/Pingtung/Taitung

Taipei Branch

Address 5th Floor, No. 10, Lane 50, Section 3, Nangang Road, Nangang District, Taipei City

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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