is a chemical compound registered under CAS number 39681-08-8. It is also known as 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2- carboxylic acid,3-[(acetyloxy)methyl]-8-oxo- 7-[(phenylsulfoacetyl)amino]-,[6R-(6R,7â)]-. NewsChem supplies for laboratory research and bulk production; product code 1140968. Send an inquiry for purity, packaging, price and lead time.