SEARCH Articles Figures Tables And substituent effects And substituents effects Effect of stereoelectronics Effect of substituent Effects of substituents Of piperidine Piperidine polyhydroxylated piperidines Piperidines, polyhydroxylated Polyhydroxyl Polyhydroxylate Polyhydroxylated Polyhydroxylated piperidine Polyhydroxylation Stereoelectronic effect Stereoelectronic effects, and Stereoelectronics