盐酸大观霉素杂质2 货号:S017002 英文名:Spectinomycin Impurity 2 同义词:(2R,4R,4aS,5aR,6S,7S,8R,9S,9aR,10aS)-2-methyl-6,8-bis(methylamino)decahydro-2H-benzo[b]pyrano[2,3-e][1,4]dioxine-4,4a,7,9-tetraol CAS号:N/A 分子式:C14H26N2O7 分子量:334.37 询价订购