Similar names: C.I. Solvent Red 49 (7CI); Fluoran, 3',6'-bis(diethylamino)- (6CI,8CI); 3',6'-Bis(diethylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; 3',6'-Bis(diethylamino)-3-oxospiro[isobenzofuran-1(3H),9'-[9H]xanthene]; Aizen Rhodamine B Base; Aizen SOT Pink 1; Baso Red 546; Baso Red NB 546; Certiqual Rhodamine; Eljon Magenta Toner; Fast Oil Pink B; Lacquer Pink S; NSC 43944; Neptune Red Base 543; Neptune Red Base NB 543LD; Oil Pink 312; Oil Pink 330; Oil Red 312; Orient Oil Pink 312; Orient Oil Red 312; Orient Pink 312; Rhodamine B Base Extra; Rhodamine B Extra Base; Rhodamine B base; Rhodamine B lactone; Rhodamine Base B; Rhodamine Base B Extra; Rhodamine Base FB; Rhodamine S (Russian), lactone; Rhodamine S lactone; Solvent Red 49; Vali Fast Pink 2312; Waxoline Rhodamine B; Waxoline Rhodamine BS