1-AZABICYCLO(3.2.0)HEPT-2-ENE-2-CARBOXYLIC ACID, 3-((2-AMINOETHYL)THIO)-6-(1-HYD 1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-((2-aminoethyl)thio)-6-(1-hydroxyethyl)-7-oxo-, (5R-(5-alpha,6-alpha(R*)))- 5-22-07-00446 (Beilstein Handbook Reference) 59995-64-1 BRN 4147173 Thienamycin