pre-Calcitriol PTAD Adduct; [4aR-[4aα,6aα,7α(R*),9aβ,11α(3S*,5R*)]]-11-(3,5-dihydroxy-2- methyl-1-cyclohexen-1-yl)-4a,6,6a,7,8,9,9a,11-octahydro-7-(5-hydroxy-1,5-dimethylhexyl)- 6a-methyl-2-phenyl-1H,5H-Cyclopenta[f][1,2,4]triazolo[1,2-a]cinnoline-1,3(2H)-dione; Triazoline adduct of Pre-calcitriol
