12,13-Deepoxy-4'-deoxy-12,13-didehydro-23-hydroxycirramycin A 4'-Deoxymycaminosyl tylonolide 4'-Deoxymycaminosyltylonolide 80240-61-5 Antibiotic YS 02930K-D Cirramycin A1, 12,13-deepoxy-4'-deoxy-12,13-didehydro-23-hydroxy- Izenamicin B(sub 3) Tylonolide, 5-O-(3,4,6-trideoxy-3-(dimethylamino)-beta-D-glucopyranosyl)-