头孢克洛杂质E(EP)
Product Name: Cefaclor Impurity E (EP)
Catalog No: PI00007004
CAS No:  188915-50-6
Chemical Formula: C14H14ClN3O4S
2-[[(2R)-2-amino-2-phenylacetyl]amino]-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic acid