2,2-difluorobutane-1,4-diol

(((3S,E)-5-(2-((1R,7AR,E)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)

Vitamin D3 intermediate

2,2-Difluorobutane-1,4-diol is a chemical compound used as a pharmaceutical intermediate. It features two alcohol groups and two fluorine atoms on a four-carbon chain.