141923-72-0 3-(Isobutylethylamino)-6-methyl-7-anilinofluoran 95235-29-3 Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 6'-(ethyl(2-methylpropyl)amino)-3'-methyl-2'-(phenylamino)-