IUPAC:(19S)-19-ethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl (2R)-2-[(2R)-2-{[(4-{[(2R,3S,4R,5R,6S)-3,5-dihydroxy-4-methoxy-6-methyloxan-2-yl]oxy}phenyl)carbamothioyl]amino}-3-(1H-imidazol-4-yl)propanamido]-3-methylbutanoate
IUPAC:(19S)-19-ethyl-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.0^{2,11}.0^{4,9}.0^{15,20}]henicosa-1(21),2,4,6,8,10,15(20)-heptaen-19-yl (2R)-2-[(2R)-2-{[(4-{[(2R,3S,4R,5R,6S)-3,5-dihydroxy-4-methoxy-6-methyloxan-2-yl]oxy}phenyl)carbamothioyl]amino}-3-(1H-imidazol-4-yl)propanamido]-3-methylbutanoate