1217531-62-8 2'-(2-Methoxyethyl)-1'-oxo-1',4'-dihydro-2'H-spiro-cyclopentane-1,3'-isoquinoline-4'-carboxylic Acid
1217531-04-8 2'-Benzyl-1'-oxo-1',4'-dihydro-2'H-spirocyclo-pentane-1,3'-isoquinoline-4'-carboxylic Acid
1215764-56-9 6-(Tert-Butoxycarbonyl)-2-(1H-pyrrol-1-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid