S CH3 CH2-COHN CH3 NH ON COOH 氨苄西林 (氨苄青霉素)
NH2 CO N S O HN COOH CH3 CH3 CH2 氨苄西林 (氨苄青霉素)
CH3 HO CH2--COHN N CH3 NH O COOH 阿莫西林 (羟氨苄青霉素)
阿莫西林 (羟氨苄青霉素) NH2 CO N S O HN COOH CH3 CH3 HO CH2
NH S CH3 CH2--COHN N CH3 O COOH (C2H52NCH2CH200C 普鲁卡因青霉素
C2 H5 2 NCH2 CH2 OOC N S O HN COOH CH3 CH3 CH2 CO NH2 普鲁卡因青霉素
CH2-CONH N NH O CH 3 COOH 头孢氨苄
头孢氨苄 N O NH S CH3 COOH CO NH2 CH2
CH2--C ONH NH2 ON CH3 COOH 头孢拉啶
头孢拉啶 CH2 NH2 CO N O NH S CH3 COOH