5-(tert-Butoxycarbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid
(9H-Fluoren-9-yl)methyl 4-chloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5H)-carboxylate
1-(Phenylsulfonyl)-1H-pyrrolo[3,2-b]pyridine-2-carbaldehyde
5-Bromopyridine-3-sulfonic acid