99332-96-4

(7S)-7-[[(R)-5-Amino-5-carboxy-1-oxopentyl]amino]-7-methoxy-3-[[[6-amino-3-hydroxy-4-(L-ornithyl-L-valylamino)-1,6-dioxohexyl]oxy]methyl]cepham-3-ene-4-carboxylic acid