tert-Butyl 2'-methyl-3',4'-dihydro-2'H-spiro[piperidine-4,1'-pyrrolo[1,2-a]pyrazine]-1-carboxylate

Spiro[piperidine-4,7'-[7H]thieno[2,3-c]pyran]-1-carboxylic acid, 2'-chloro-4',5'-dihydro-, 1,1-dimethylethyl ester

TERT-BUTYL 2'-TERT-BUTYL-7'-OXO-6',7'-DIHYDRO-2'H-SPIRO[PIPERIDINE-4,5'-PYRANO[3,2-C]PYRAZOLE]-1-CARBOXYLATE

tert-Butyl 2'-(((trifluoromethyl)sulfonyl)oxy)-5',6'-dihydrospiro[pyrrolidine-3,4'-pyrrolo[1,2-b]pyrazole]-1-carboxylate

Tert-Butyl 2’-(Methylthio)-6’-Oxo-5’-(((Trifluoromethyl)Sulfonyl)Oxy)-6’H-Spiro[Cyclohexane-1,9’-Pyrazino[1’,2’:1,5]Pyrrolo[2,3-D]Pyrimidine]-7’(8’H)-Carboxylate

Spiro[8-azabicyclo[3.2.1]octane-3,3'-pyrrolidine]-8-carboxylic acid, 5'-oxo-, 1,1-dimethylethyl ester

1-BOC-2'-OXO-2',4'-DIHYDRO-1'H-SPIRO[PIPERIDINE-4,3'-QUINOLINE]

tert-Butyl 2'-oxo-1',2'-dihydrospiro[piperidine-4,3'-pyrrolo[2,3-b]pyridine]-1-carboxylate

[3-(Methoxycarbonyl)phenyl]methyl 3-cyano-6-cyclopropyl-2-(methylsulfanyl)pyridine-4-carboxylate

(2,5-Dimethoxyphenyl)methyl 3-cyano-6-cyclopropyl-2-(methylsulfanyl)pyridine-4-carboxylate