182285-29-6 Cremimycin Cremimycin (antibiotic) Cyclopent(i)azacyclononadecene-7,11,17(8H,12H,19H)-trione, 9,10,13,14,15,16,20,20a-octahydro-19-((2,6-dideoxy-3-O-methylhexopyranosyl)oxy)-15,18-dihydroxy-9-hexyl-2-methyl-