IUPAC:(1S,4Z,6R,7R)-4-ethylidene-6,7-dimethyl-3,8,15-trioxo-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadeca-11(17),12-dien-7-yl acetate
IUPAC:(1S,4Z,6R,7R)-4-ethylidene-6,7-dimethyl-3,8,15-trioxo-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadeca-11(17),12-dien-7-yl acetate