21,22-Darb 21,22-Di-O-angeloyl-R(1)-barrigenol 92948-00-0 Olean-12-ene-3,15,16,21,22,28-hexol, 3-azido-7,12-dihydroxy-N-(2-(2-(iodo-125I)-1H-imidazol-4-yl)ethyl)-, (3beta,15alpha,16alpha,21beta(Z),22alpha(Z))-