2'-(2-Chloroanilino)-6'-(N-ethyl-N-isopentylamino)spiro[phthalide-3,9'-[9H]xanthene]

2'-[(2-chlorophenyl)amino]-6'-[ethyl(3-methylbutyl)amino]spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one