IUPAC:(15S,16S,17S)-15-ethyl-11-methyl-1,11-diazatetracyclo[13.3.1.0^{4,12}.0^{5,10}]nonadeca-4(12),5,7,9-tetraene-16,17-diol
IUPAC:(15S,16S,17S)-15-ethyl-11-methyl-1,11-diazatetracyclo[13.3.1.0^{4,12}.0^{5,10}]nonadeca-4(12),5,7,9-tetraene-16,17-diol