青霉素

青霉素杂质1

P038001 13057-98-2
C16H20N2O5S 352.41

青霉素G杂质J

P038002
C17H20N2O6S 380.42

青霉素EP杂质C

P038003 5985-13-7
C16H17N2NaO5S 372.37