3-Oxo-olean-12-en\n-28-oic acid ≥98% 品牌: GRAND CHEMICAL 品號: R-1264 品名: 3-Oxo-olean-12-en\n-28-oic acid ≥98% CAS: 17990-42-0 貨號: R-1264 分享: 加入洽詢