9-(Diethylamino)spiro[12H-benzo[a]xanthene-12,1'-phthalide]; Color Former Red 3; Copikem 747; PSD-P; Red DCF; Yamamoto Red 3; 9'-(diethylamino)spiro[2-benzofuran-3,12'-benzo[a]xanthene]-1-one; 6'-(DiethylaMino)-1',2'-benzofluoran; 9-(Diethylamino)-3'H-spiro[benzo[a]xanthene-12,1'-isobenzofuran]-3'-one; 9'-(Diethylamino)-3H-spiro[2-benzofuran-1,12'-benzo[a]xanthen]-3-one; 9-(Diethylamino)spiro(12H-benzo(a)xanthene-12,1'(3'H)-isobenzofuran)-3'-one
