New penicillins stable towards both acid and penicillinase.
DOYLE
F P
FP
LONG
A A
AA
NAYLER
J H
JH
STOVE
E R
ER
D010405:Penicillinase; D010406:Penicillins / Q000737:chemistry*
D010406:Penicillins; D010405:Penicillinase
PENICILLIN/chemistry