头孢曲松

7-[4-bromo-2(Z)-methoxyimino-3-oxobutyramido]-3-[[2,5-(dihydro-6- hydroxy-2-methyl-5-oxo-as-triazin-3-yl)thio]methyl]-3-cephem-4-carboxylic acid

(6R,7R)-7-((Z)-4-chloro-2-(methoxyimino)-3-oxobutanamido)-3-(((6-hydroxy-2-methyl-5-oxo-2,5-dihydro-1,2,4-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

(6R-反式)-7-氨基-8-氧代-3-[[(1,2,5,6-四氢-2-甲基-5,6-二氧代-1,2,4-三嗪-3-基)硫代]甲基]-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸

(6R,7R)-7-[2-[2-(2-chloroacetamido)-4-thiazolyl]-2-syn-methoxy-iminoacetamido]-3-[[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-as-triazin-3-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

thiourea

2,5-二氢-6-羟基-2-甲基-5-氧-3-巯基-1,2,4-三嗪

AE-活性酯

(6R,7R)-3-(乙酰氧基甲基)-8-氧代-7-[(2-氨基-4-噻唑基)(甲氧基亚胺)乙酰氨基]-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸