126145-79-7 BRN 4289519 alpha-D-Glucopyranosiduronamide, (3-beta,20-beta)-29-((2-hydroxyethyl)amino)-11,29-dioxoolean-12-en-3-yl N-(2-hydroxyethyl)-2-O-(2,3,4-tri-O-acetyl-N-(2-hydroxyethyl)-beta-D-glucopyranuronamidosyl)-, 3,4-diacetate