(4R)-7-Chloro-9-methyl-1-oxo-1,2,4,9-tetrahydrospiro[β-carboline-3,4′-piperidine]-4-carbonitrile

(4R)-7-Chlor-9-methyl-1-oxo-1,2,4,9-tetrahydrospiro[β-carboline-3,4′-piperidine]-4-carbonitril

(4R)-7-Chloro-9-methyl-1-oxo-1,2,4,9-tetrahydrospiro[β-carboline-3,4′-piperidine]-4-carbonitrile

(4R)-7-Chloro-9-méthyl-1-oxo-1,2,4,9-tétrahydrospiro[β-carboline-3,4′-piperidine]-4-carbonitrile

Spiro[piperidine-4,3′-[3H]pyrido[3,4-b]indole]-4′-carbonitrile, 7′-chloro-1′,2′,4′,9′-tetrahydro-9′-methyl-1′-oxo-, (4′R)-

(1′R)-7′-chloro-5′-methyl-4′-oxo-1′,3′,4′,5′-tetrahydrospiro[piperidine-4,2′-pyrido[3,4-b]indole]-1′-carbonitrile

(4′R)-7′-chloro-9′-methyl-1′-oxo-1′,2′,4′,9′-tetrahydrospiro[piperidine-4,3′-pyrido[3,4-b]indole]-4′-carbonitrile

(4′R)-7′-chloro-9′-methyl-1′-oxo-2′,4′-dihydrospiro[piperidine-4,3′-pyrido[3,4-b]indole]-4′-carbonitrile