匹美西林 货号:P105000 英文名:Pivmecillinam 同义词:(2S,5R,6R)-(pivaloyloxy)methyl 6-((azepan-1-ylmethylene)amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate CAS号:32886-97-8 分子式:C21H33N3O5S 分子量:439.57 询价订购