IUPAC:(15R,17R,19S)-15-ethyl-17-methoxy-1,11-diazapentacyclo[9.6.2.0^{2,7}.0^{8,18}.0^{15,19}]nonadeca-2,4,6,8(18),13-pentaene
IUPAC:(15R,17R,19S)-15-ethyl-17-methoxy-1,11-diazapentacyclo[9.6.2.0^{2,7}.0^{8,18}.0^{15,19}]nonadeca-2,4,6,8(18),13-pentaene