5-Bromo-2-methyl-2-pentene, 97% 品牌: ALFA (U.K) 品號: L19406.06 品名: 5-Bromo-2-methyl-2-pentene, 97% 規格: 5g CAS: 2270-59-9 貨號: L19406.06 分享: 加入洽詢