Heterocycles

4-Bromo-3-fluoropicolinaldehyde

(S)-4’-Ethyl-4’-hydroxy-7’,8’-dihydrospiro[[1,3]dioxolane-2,6’-pyrano[3,4-f]indolizine]-3’,10’(1’H,4’H)-dione

(R)-(S)-2-[6’-(Acetoxymethyl)-5’-oxo-3’,5’-dihydro-2’H-spiro[[1,3]dioxolane-2,1’-indolizin]-7’-yl]-1-ethoxy-1-oxo-2-butyl 1-Tosylpyrrolidine-2-carboxylate

(R)-(S)-1-(6’-Cyano-5’-oxo-3’,5’-dihydro-2’H-spiro[[1,3]dioxolane-2,1’-indolizin]-7’-yl)-2-ethoxy-2-oxoethyl 1-Tosylpyrrolidine-2-carboxylate

Methyl 6-Cyano-1-hydroxy-7-methyl-5-oxo-3,5-dihydroindolizine-2-carboxylate

Methyl 3-Amino-6,7-dihydro-5H-cyclopenta[c]pyridine-4-carboxylate

3-[(6-Bromo-2-pyridyl)amino]propanoic Acid

8-Bromo-2-methyl-6-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyridine

2-Chloro-2-methyl-1,2-oxasilolane

(1S,1’S,3R,3’R,4S,4’S,6R,6’R)-6,6’-[(1S,1’S)-[(2,5-Diphenylpyrimidine-4,6-diyl)bis(oxy)]bis[(6-methoxy-4-quinolyl)methylene]]bis(3-ethylquinuclidine)

Methyl 7-Ethyl-6-oxo-5,6-dihydro-1,5-naphthyridine-3-carboxylate

5-(5-Phenyl-1,3,4-oxadiazol-2-yl)thiazol-2-amine