IUPAC:(1R,4Z,6R,7S,17R)-4-ethylidene-7-hydroxy-7-(hydroxymethyl)-6-methyl-2,9-dioxa-14lambda5-azatricyclo[9.5.1.0^{14,17}]heptadec-11-ene-3,8,14-trione
IUPAC:(1R,4Z,6R,7S,17R)-4-ethylidene-7-hydroxy-7-(hydroxymethyl)-6-methyl-2,9-dioxa-14lambda5-azatricyclo[9.5.1.0^{14,17}]heptadec-11-ene-3,8,14-trione