2,3',4,6-Tetrahydroxybenzophenone ≥98% 品牌: GRAND CHEMICAL 品號: R-3161 品名: 2,3',4,6-Tetrahydroxybenzophenone ≥98% CAS: 26271-33-0 貨號: R-3161 分享: 加入洽詢