头孢替胺是化学物质，分子式是C18H23N9O4S3。(6R，7R)-7-{[(2-Amino-1，3-thiazol-4-yl)acetyl]amino}-3-[({1-[2-(dimethylamino)ethyl]-1H-tetrazol-5-yl}sulfanyl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R，7R)-7-{[(2-amino-1，3-thiazol-4-yl)acetyl]amino}-3-[({1-[2-(dimethylamino)ethyl]-1H-tetrazol-5-yl}thio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid， 7-[[(2-amino-4-thiazolyl)acetyl]amino]-3-[[[1-[2-(dimethylamino)