1 09F 1-cyanocyclohexyl (3s,5'R)-2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-5'-carboxylate 1.000 2 095 Tetrahydro-2h-pyran-4-yl (3s,5'R)-2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-5'-carboxylate 0.846 3 09D (4s)-6-bromo-3,4-dihydro-2h-thiochromen-4-yl (3s,5'R)-2-oxo-1,2-dihydrospiro[indole-3,3'-pyrrolidine]-5'-carboxylate 0.710