9'-[9H]xanthen]-3-one, 6'-(diethylamino)-3'-methyl-2'-(phenylamino)-Spiro[isobenzofuran-1(3H) |
7-Anilino-3-diethylamino-6-methylfluoran |
spiro[isobenzofuran-1(3h),9'-[9h]xanthen]-3-one, 6'-(diethylamino)-3'-methyl-2' |
-(phenylamino)- |
9'-[9h]xanthen]-3-one,6'-(diethylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3h |
heat(pressure)sensitive black tf-bl1 |
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,6'-(diethylamino)-3'-methyl-2'-(phenylamino)- |