HR-109

Antibiotic HR-109

cefotaxime syn S-oxide

(6R,7R)-3-[(Acetyloxy)methyl]-7-[[(Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene 5-oxide

(6R,7R)-7-[2-(2-Amino-4-thiazolyl)-2-[(Z)-methoxyimino]acetylamino]-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

(6R,7R)-3-[(Acetyloxy)methyl]-7α-[[(Z)-(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide