2,4,6,6-Tetramethyl-3(6H)-pyridinone ≥95% 品牌: GRAND CHEMICAL 品號: R-2055 品名: 2,4,6,6-Tetramethyl-3(6H)-pyridinone ≥95% CAS: 203524-64-5 貨號: R-2055 分享: 加入洽詢