Formula: C21H24N2O5 | Mol. Weight: 384.40 g/mol
IUPAC: methyl (1R,9R,10S,13Z,14R)-13-ethylidene-17-methoxy-11-oxido-18-oxa-8-aza-11-azoniapentacyclo[7.6.3.110,14.01,9.02,7]nonadeca-2,4,6,11-tetraene-15-carboxylate
CC=C1C=[N+](C2CC1C(C34C2(NC5=CC=CC=C53)OC(C4)OC)C(=O)OC)[O-]