triacetyldynemicin A

(1S)-6,8,11-Triacetoxy-4aα,14aα-epoxy-1,4,7,12,13,14-hexahydro-3-methoxy-1β-methyl-7,12-dioxo-4β,14β-(3-hexene-1,5-diyne-1,6-diyl)naphtho[2,3-c]phenanthridine-2-carboxylic acid