4-benzoyl-5-methyl-1,3-dihydroimidazol-2-one

(4-methyl-1,2,5-thiadiazol-3-yl)-phenylmethanone

1-ethyl-4-methyl-6-phenylpyrimidine-2-thione

1-(5-hydroxy-3-methyl-5-phenyl-4H-pyrazol-1-yl)ethanone