IUPAC:(1R,12R)-16-methoxy-20-methyl-5,7-dioxa-20-azapentacyclo[10.5.3.0^{1,13}.0^{2,10}.0^{4,8}]icosa-2,4(8),9,13,16-pentaen-15-one
IUPAC:(1R,12R)-16-methoxy-20-methyl-5,7-dioxa-20-azapentacyclo[10.5.3.0^{1,13}.0^{2,10}.0^{4,8}]icosa-2,4(8),9,13,16-pentaen-15-one