Synonyms: (3beta)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol; Metadee; Doral; Drisdol; Ergocalciferol; Ergocalciferolum; Ergorone; Ergosterol, activated; Ertron; Fortodyl; Geltabs; Hi-deratol; Hytakerol; Infron; Mulsiferol; Mykostin; Oleovitamin D2; Ostelin; Radiostol; Radsterin; Rocaltrol; Secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5Z,7E,22E)-; Shock-ferol; Viosterol; Vitamin D; Vitavel-D; 9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5Z,7E,22E)-; Arthin; Diactol; Divit urto; BUCO-D; Calciferol; Calciferolum; Calciferon 2; Calderol; Condacaps; Condol; Crtron; Crystallina; Daral; Davitamon D; Davitin; Decaps; Dee-osterol; Deratol; Dee-ron; Dee-ronal; Detalup; DHT; Deltalin;