Basic yellow 2854060-92-3100 % similar 2-(Formylmethylene)-1,3,3-trimethylindoline84-83-340 % similar Basic red 126320-14-534 % similar 1H-Benzimidazolium, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-1,3-dimethyl-, methyl sulfate (1:1)35869-60-431 % similar