2,5-dihydropyrrol-1-yl(phenyl)methanone

1,1-diphenyl-2,5-dihydrosilole

ethyl 1-benzoyl-2-ethenylcyclopropane-1-carboxylate

1,1,2,2-tetramethyl-3,6-dihydrodisiline

benzoic acid,but-2-ene-1,4-diol