4-(3,4-Dihydroxyphenyl)-2-butanone ≥96.5% 品牌: GRAND CHEMICAL 品號: R-2707 品名: 4-(3,4-Dihydroxyphenyl)-2-butanone ≥96.5% CAS: 61152-62-3 貨號: R-2707 分享: 加入洽詢