To discriminate R and S flavanone glycoside using NMR. the mixture of R and S naringenin 7-O-glycoside was first isolated from Gleditsia sinensis. 1H and 13C NMR data of the mixture were recorded with 1H NMR. 13C NMR. https://www.hindigyanvishv.com/super-find-Red-Pygmy-reg-Dogwood-Tree-limited-super/