19,26,27-TRINOR-1ALPHA,25-DIHYDROXYVITAMIN D3 COMPOUNDS

摘要

Compounds of formula 1 are provided where X¹, X², and X³ are independently selected from H or hydroxy protecting groups, and R¹ and R² have the definitions provided herein. Such compounds may be used in preparing pharmaceutical compositions and are useful in treating a variety of biological conditions.