ERGOCALCIFEROL

Cyclohexanol, 4-methylene-3-((2E)-2-((1R,3aS,7aR)-octahydro-7a-methyl-1-((1R,2E,4R)-1,4,5-trimethyl-2-hexen-1-yl)-4H-inden-4-ylidene)ethylidene)-, (1S,3Z)-