175033-15-5 Gymnemoside a beta-D-Glucopyranosiduronic acid, (3beta,4alpha,16beta,21beta(E),22alpha)-22-(acetyloxy)-16,23,28-trihydroxy-21-((2-methyl-1-oxo-2-butenyl)oxy)olean-12-en-3-yl beta-D-Glucopyranosiduronic acid, (3beta,4alpha,16beta,21beta,22alpha)-22-(acetyloxy)-16,23,28-trihydroxy-21-(((2E)-2-methyl-1-oxo-2-butenyl)oxy)olean-12-en-3-yl