头孢地尼活性新酯

7-氨基-3-乙烯基-3-头孢环-4-羧酸

p-methoxybenzyl (Z)-7-((2-tritylamino-thiazol-4-yl)-2-trityloxyimino-acetamido)-3-vinyl-3-cephem-4-carboxylate

7-(Z)-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido]-3-vinyl-3-cephem-4-carboxylic acid ammonium salt

benzhydryl 7-[2-(-aminothiazaol-4-yl)-2-hydroxyiminoacetamido]-3-vinyl-3-cephem-4-carboxylate hydrobromide (syn isomer)