IUPAC:(1S,14S,18S,19R)-8,10-dioxa-4,17-diazaheptacyclo[15.4.3.0^{1,18}.0^{4,19}.0^{5,13}.0^{7,11}.0^{14,19}]tetracosa-5(13),6,11,22-tetraen-3-one
IUPAC:(1S,14S,18S,19R)-8,10-dioxa-4,17-diazaheptacyclo[15.4.3.0^{1,18}.0^{4,19}.0^{5,13}.0^{7,11}.0^{14,19}]tetracosa-5(13),6,11,22-tetraen-3-one