IUPAC:(1S,3'R,6'R,7'S,8'E,11'S,12'R)-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',18',24'-tetraene-13',13',15'-trione
IUPAC:(1S,3'R,6'R,7'S,8'E,11'S,12'R)-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',18',24'-tetraene-13',13',15'-trione