IUPAC:(1R,4Z,6R,7R,11S,17R)-4-ethylidene-7-hydroxy-6,7-dimethyl-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadecane-3,8-dione
IUPAC:(1R,4Z,6R,7R,11S,17R)-4-ethylidene-7-hydroxy-6,7-dimethyl-2,9-dioxa-14-azatricyclo[9.5.1.0^{14,17}]heptadecane-3,8-dione