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Trans-2-butene-1,4-dicarboxylic acid

1,2,4-Triphenyl-1,4-butanedione

Cinnamylidenemalonic acid,

Tris(2-methyl-4-diethylaminophenyl)methane

7-Hexadecanone,

Cyclohexanone p-toluenesulfonylhydrazone

N-(propargyloxy)phthalimide

Tetra-n-hexylammonium perchlorate