. . . . "Rhodamine 6G" . . "Rhodamine 6GD" . . "rhodamine 6G" . "Rhodamine 6G" . "9-[2-(Ethoxycarbonyl)phenyl]-N-ethyl-6-(ethylamino)-2,7-dimethyl-3H-xanthen-3-iminium chloride" . . . . . . . "Rhodamine 590, R6G, Rh6G, C.I. Pigment Red 81, C.I. Pigment Red 169, Basic Rhodamine Yellow , C.I. 45160" . . . . .