IUPAC:methyl (1R,13S,15S,16R,18S)-13-[(1R,9R,10S,11R,12R,19R)-11-(acetyloxy)-12-ethyl-10-hydroxy-5-methoxy-10-(methoxycarbonyl)-8-methyl-8,16-diazapentacyclo[10.6.1.0^{1,9}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-4-yl]-18-ethyl-17-oxa-1,11-diazapentacyclo[13.4.1.0^{4,12}.0^{5,10}.0^{16,18}]icosa-4(12),5,7,9-tetraene-13-carboxylate
IUPAC:methyl (1R,13S,15S,16R,18S)-13-[(1R,9R,10S,11R,12R,19R)-11-(acetyloxy)-12-ethyl-10-hydroxy-5-methoxy-10-(methoxycarbonyl)-8-methyl-8,16-diazapentacyclo[10.6.1.0^{1,9}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-4-yl]-18-ethyl-17-oxa-1,11-diazapentacyclo[13.4.1.0^{4,12}.0^{5,10}.0^{16,18}]icosa-4(12),5,7,9-tetraene-13-carboxylate