4Bromoisoxazole

4Bromo1Himidazole

1ethyl3iodopyrazole

4ethynylbenzoicacid methylester

2ethynylbenzoicacid

2ethynylbenzaldehyde

4ethynylbenzaldehyde

3ethynylbenzaldehyde

1(2chloroethyl)pyrazole

5bromo2methoxybenzylchloride