(5R,6S)-6-((1R)-1-Hydroxyethyl)-7-oxo-3-(((3S)-tetrahydro-3-thienyl)thio)-4-thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, (R)-S-oxide 120788-07-0 4-Thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 6-(1-hydroxyethyl)-7-oxo-3-((tetrahydro-3-thienyl)thio)-, S-oxide, (5R-(3(1R*,3S*),5alpha,6alpha(R*)))- CP 70,429 CP 70429 Sulopenem Sulopenem [USAN:INN]