7-O-Acetyl-4-O-demethylpolysyphorin ≥95% 品牌: GRAND CHEMICAL 品號: R-1771 品名: 7-O-Acetyl-4-O-demethylpolysyphorin ≥95% CAS: 89706-39-8 貨號: R-1771 分享: 加入洽詢