99685-75-3

(6R,7S)-3-[({(4S)-4-{[(1R,2R,4S)-4-amino-1-carbamoyl-2,5-dihydroxy-3-oxopentyl]amino}-7-[(diaminomethylidene)amino]-3-hydroxyheptanoyl}oxy)methyl]-7-[(5-amino-5-carboxypentanoyl)amino]-7-(formylamino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic