1-dimethylaminomethyl-cyclohexanecarbaldehyde

3-(N-benzyl-N-methylamino)-2,2-dimethylpropanol

5-diethylamino-1-pentene-3-yne

2,2'-dinitro-2,2'-(2-aza-propanediyl)-di-malonic acid tetraethyl ester

4-hydroxy-3,3-bis-(hydroxymethyl)-2-butanoate