1,2,3,4-Tetrahydro-2-isoquinolineacetonitrile 1,2,3,4-Tetrahydro-2-leucolineacetonitrile 2-ISOQUINOLINEACETONITRILE, 1,2,3,4-TETRAHYDRO- 91349-97-2 BRN 1683219 NSC 159952