Pyridine series

3-(trichloroMethyl)pyridine 

2-Cyano-6-Hydroxybenzothiazole

3-BOC-D-2,3-Diaminopropionic a

 Ethychlozate

1-[2-(2,4-Dichlorophenyl)-2-[(

2-Bromoethanol

2,6-Dichloro-4-ethoxypyridine 

3-Oxycyclobutanecarboxylic aci

Diethylaminosulfur trifluoride

2-Methylpropene-1-tributylstan

D-Aspartic acid dimethyl ester