1’(3’h)-isobenzofuran]-3’-one,9-(diethylamino)-spiro[12h-benzo[a]xanthene-1;1’(3’H)-isobenzofuran]-3’-one,9-(diethylamino)-Spiro[12H-benzo[a]xanthene-12;9-(Diethylamino)spiro[12H-benzo[a]xanthene-12,1'-phthalide];Color Former Red 3;Copikem 747;PSD-P;Red DCF;Yamamoto Red 3