126145-75-3 BRN 4242351 alpha-D-Glucopyranosiduronamide, (3-beta,20-beta)-29-(heptadecylamino)-11,29-dioxoolean-12-en-3-yl N-heptadecyl-2-O-(2,3,4-tri-O-acetyl-N-heptadecyl-beta-D-glucopyranuronamidosyl)-, 3,4-diacetate