methyl 3-methyl-2-[2-[(3-methyl-5-phenyl-3H-benzoxazol-2-ylidene)methyl]but-1-enyl]-5-phenylbenzoxazolium sulphate

2-[2-Ethyl-3-(2,3-dihydro-3-methyl-5-phenylbenzoxazole-2-ylidene)-1-propenyl]-3-methyl-5-phenylbenzoxazolium·methylsulfate

2-[2-Ethyl-3-(2,3-dihydro-3-methyl-5-phenylbenzoxazole-2-ylidene)-1-propenyl]-3-methyl-5-phenylbenzoxazole-3-ium·methylsulfate