3776-36-1 4H-Imidazo(4,5-c)pyridin-4-one, 2-((2-(3-amino-6-(3-amino-6-(3-amino-6-(3,6-diaminohexanamido)hexanamido)hexanamido)hexanamido)-2-deoxy-beta-D-gulopyranosyl)amino)-3,3a,5,6-7,7a-hexahydro-7-hydroxy-, 6'-carbamate Antibiotic OP 2D Racemomycin D Streptothricin C