6'-[ethyl(p-tolyl)amino]-2'-(methylphenylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one

2'-(N-Phenyl-N-methylamino)-6'-(N-p-tolyl-N-ethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one

6'-[ethyl(4-methylphenyl)amino]-2'-(methylphenylamino)-Spiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one