Return to Article Details TWO APPROACHES TO REGIO- AND STEREOSELECTIVE SYNTHESIS OF <i>N</i>-UNSUBSTITUTED 3-ARYL-4-(TRIFLUOROMETHYL)-4<i>H</i>-SPIRO[CHROMENO[3,4-<i>c</i>]PYRROLIDINE-1,3'-OXINDOLES] Download Download PDF