[2S-(2alpha,5alpha,6beta)]-3,3-二甲基-7-氧代-6-(苯基乙酰氨基)-4-硫杂-1-氮杂双环[3.2.0]庚烷-2-羧酸 4-氧化物

methyl 4-hydroxy-7-methoxy-8-methylquinoline-2-carboxylate

青霉素钾

2-chloro-2-propenyl (3S,5R,6R)-2,2-dimethyl-6-(phenylacetamido)-7-oxopenam-3-carboxylate

(2S,5R,6R)-3,3-Dimethyl-4,7-dioxo-6-phenylacetylamino-4λ4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid 2-chloro-allyl ester