12,13-Deepoxy-12,13-didehydro-14-hydroxymycinamicin I 73684-72-7 Antibiotic A 11725 IIa BRN 4632239 Mycinamicin I, 12,13-deepoxy-12,13-didehydro-14-hydroxy- Mycinamicin V Mycinomycin V