133917-52-9 Pradimicin A butylamide Propanamide, N-butyl-2-(((5-((4,6-dideoxy-4-(methylamino)-3-O-beta-D-xylopyranosyl-beta-D-galactopyranosyl)oxy)-5,6,8,13-tetrahydro-1,6,9,14-tetrahydroxy-11-methoxy-3-methyl-8,13-dioxobenzo(a)naphthacen-2-yl)carbonyl)amino)-, (5S-(2(S*),5-alpha,6-beta))-