Survey of antioxidant activity of Polyscias fruticosa L. Harms roots grown in An Giang - 3
CH 3 CH 3 CH 3 CH 3 COOH HOOC HO OH HO HO COUGH OH O O H3C O H H CH 3 CH 3 3- O - β - D -glucopyranosyl-(1→2)- β - D -glucuronopyranosyloleanolic acid . CH 3 CH 3 OH HOOC OH O HO OH HO HO COUGH OH O O H3C O CH 3 H H CH 3 CH 3 CH 3 COOH 3- O -[ β - D ...