107740-67-0 4-Thia-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-(aminomethyl)-6-(1-hydroxyethyl)-7-oxo-, (5R-(5-alpha,6-alpha(R*)))- Antibiotic CGP 31608 BRN 5059799 Cgp 31608