1-(furan-2-yl)pentane-1,4-dione

1-diphenylphosphinoyl-2-methylbut-3-en-2-ol

α-(3-oxobutyl)-4,4'-dichlorobenzoin

2-(Diethylphosphonooxy)-2-methyl-3-butenenitrile

5,12-dimethyl-1,4,8,11-tetra-azacyclotetradeca-4,11-diene dihydroperchlorate