IUPAC:(2S,13S,15S,16R,17R,19R,20R,21R)-19-methyl-18-oxa-1,11-diazahexacyclo[11.8.0.0^{2,16}.0^{4,12}.0^{5,10}.0^{15,20}]henicosa-4(12),5,7,9-tetraene-17,21-diol
IUPAC:(2S,13S,15S,16R,17R,19R,20R,21R)-19-methyl-18-oxa-1,11-diazahexacyclo[11.8.0.0^{2,16}.0^{4,12}.0^{5,10}.0^{15,20}]henicosa-4(12),5,7,9-tetraene-17,21-diol