43194-95-2
2-(1H-tetrazol-1-yl)acetic pivalic anhydride
+
98493-37-9
(6R,7S)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,hydrochloride
→
~92%
25953-19-9
头孢唑啉
30246-33-4
7-氨基-3-{[(5-甲基-1,3,4-噻二唑-2-基)硫]甲基}头孢霉素烷酸
+
55633-19-7
四氮唑-1-乙酸甲酯
→
21732-17-2
四氮唑乙酸
+
25953-19-9
头孢唑啉