UKPAR Adcal-D3 Caplets, 750 mg/200 I.U, film-coated tablets PL 16508/0039 6 ACTIVE SUBSTANCE Colecalciferol Nomenclature: INN: Colecalciferol Chemical names: (5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3β-ol or (5Z,7E)- (3S)-9,10-secocholesta-5,7,10(19)-trien-3-ol ...