2,4,6-Trifluoropyridine, 97% 品牌: ALFA (U.K) 品號: L19541.06 品名: 2,4,6-Trifluoropyridine, 97% 規格: 5g CAS: 3512-17-2 貨號: L19541.06 分享: 加入洽詢