IUPAC:(1S,3'R,6'R,7'R,8'Z,11'S,12'R)-7'-{[(9aR)-octahydro-1H-pyrido[1,2-a]pyrazin-2-yl]methyl}-6-chloro-7'-methoxy-11',12'-dimethyl-3,4-dihydro-2H-20'-oxa-13'lambda6-thia-1',14'-diazaspiro[naphthalene-1,22'-tetracyclo[14.7.2.0^{3,6}.0^{19,24}]pentacosane]-8',16'(25'),17',19'(24')-tetraene-13',13',15'-trione
IUPAC:(1S,3'R,6'R,7'R,8'Z,11'S,12'R)-7'-{[(9aR)-octahydro-1H-pyrido[1,2-a]pyrazin-2-yl]methyl}-6-chloro-7'-methoxy-11',12'-dimethyl-3,4-dihydro-2H-20'-oxa-13'lambda6-thia-1',14'-diazaspiro[naphthalene-1,22'-tetracyclo[14.7.2.0^{3,6}.0^{19,24}]pentacosane]-8',16'(25'),17',19'(24')-tetraene-13',13',15'-trione