IUPAC:(1R,4E,6R,7S,11Z)-4-ethylidene-6,7,14-trimethyl-3,8,17-trioxo-2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-en-7-yl acetate
IUPAC:(1R,4E,6R,7S,11Z)-4-ethylidene-6,7,14-trimethyl-3,8,17-trioxo-2,9-dioxa-14-azabicyclo[9.5.1]heptadec-11-en-7-yl acetate