IUPAC:[(1R,2S,10R,12R,13S)-12-cyano-7,18-dimethoxy-6,17,21-trimethyl-5,8,16,19-tetraoxo-11,21-diazapentacyclo[11.7.1.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-4(9),6,15(20),17-tetraen-10-yl]methyl pyridine-4-carboxylate
IUPAC:[(1R,2S,10R,12R,13S)-12-cyano-7,18-dimethoxy-6,17,21-trimethyl-5,8,16,19-tetraoxo-11,21-diazapentacyclo[11.7.1.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-4(9),6,15(20),17-tetraen-10-yl]methyl pyridine-4-carboxylate