4--1,2-naphthoquinone

S-(4-nitrophenyl) N-methyl-N-phenylcarbamothioate

2-methyl-2-phenyl-1,3-dihydroisoindol-2-ium,iodide

4-(N-methylanilino)but-2-yn-1-ol

1-N,4-N-dimethyl-1-N,4-N-diphenylbenzene-1,4-diamine