Formula: C21H22N2O4 | Mol. Weight: 366.40 g/mol
IUPAC: methyl (1R,9S,11S,14Z,15S,19R)-14-ethylidene-19-formyl-18-oxa-2,12-diazahexacyclo[9.6.1.19,15.01,9.03,8.012,17]nonadeca-3,5,7-triene-19-carboxylate
CC=C1CN2C3CC1C(C45C3(NC6=CC=CC=C64)OC2C5)(C=O)C(=O)OC