2,3-diphenyl-1,3-oxazolidine

2,2,2-trichloroethyl 1-phenyl-1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indole-2-carboxylate

2-phenyl-1,3-oxazinane

1-(2-phenyl-1,3-thiazolidin-3-yl)ethanone

3-(2-aminoethyl)-1H-indole-2-carboxylic acid