| 摘要 |
1. Claims for the contracting states : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE A cholecalciferol derivative of the formula see diagramm : EP0073465,P14,F3 1. Claims for the contracting state : AT A process for the manufacture of a cholecalciferol derivative of the formula see diagramm : EP0073465,P16,F1 characterized by thermally isomerizing a precholecalciferol derivative of the formula see diagramm : EP0073465,P16,F3 |
