for the following products
2'-Anilino-6'-[ethyl(3-methylbutyl)amino]-3'-methylspiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one | 6'-(Ethyl(isopentyl)amino)-3'-methyl-2'-(phenylamino)-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one | 6'-(N-Isoamyl-N-ethylamino)-3'-methyl-2'-phenylaminofluoran | WinCon-205 and 3-(N-Ethyl-N-isoamyl)-amino-6-methyl-7-anilinofluoran
