C -(1-Propyl-1 H -imidazol-2-yl)-methylamine

N-(2-Formyl-phenyl)-4-methyl-benzenesulfonamide

N -(6-Formyl-benzo[1,3]dioxol-5-yl)-acetamide

2-(3-Formyl-indol-1-yl)- N -phenyl-acetamide

3-Methyl-4-pyrrolidin-1-yl-benzaldehyde

2-Bromo-4-morpholin-4-yl-benzaldehyde

1',5'-Dimethyl-1-phenyl-1 H ,1' H -[3,4']bipyrazolyl-4-carbaldehyde

3-(2-Allyl-phenoxymethyl)-4-methoxy-benzaldehyde

4-Difluoromethoxy-3-ethoxy-benzaldehyde

3-(2-Formyl-phenoxymethyl)-4-methoxy-benzaldehyde

4-Methoxy-3-(2,2,2-trifluoro-ethoxymethyl)-benzaldehyde