1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-(((2-acetylamino)ethyl)sulfinyl)-6-(1-hydroxy-1-methylethyl)-7-oxo-, (5R-(3(R*),alpha,6beta))- 3-(2-Acetamidoethylsulfinyl)-6-(1-hydroxy-1-methylethyl)-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid 87695-64-5 Carpetimycin C