Pyridine series

Vitamin B2

1,8-Dihydroxynaphthalene  

Tetrahydro-2H-pyran-4-carbalde

1H-[1,2,3]Triazole

N-Hydroxy succinimide 

trans-3-Hydroxy-L-proline

Bortezomib

Di-mu-chloro-pi-allyldipalladi

1,8-Diazafluoran-9-one

2,6-Difluoro-4-hydroxybenzoic

H-D-His(trt)-oh

Sodium trifluoromethanesulfina