1-Azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid, 3-((2-((3-((2,4-dihydroxy-3,3-dimethyl-1-oxobutyl)amino)-1-oxopropyl)amino)ethyl)thio)-6-ethyl-7-oxo-, (5R-(3(R*),5-alpha,6-alpha))- 82475-11-4 Antibiotic OA 6129A BRN 4609280 OA 6129A OA-6129A