Synonyms : 1 alpha, 25-dihydroxy-20-epi-Vitamin D3, 1, 25(OH)2-20epi-D3, 1, 25-dihydroxy-20-epi-Vitamin D3, 20-epi-1alpha, 25-dihydroxycholecaliferol, Abbott Brand of Calcitriol, Alphapharm Brand of Calcitriol, Bocatriol, Calcijex, Calcitriol KyraMed, Calcitriol-Nefro, MC1288