久久精品国产清自在天天线,黄色影片在线免费观看,亚洲特黄视频,日韩一区二区三区电影在线观看,亚洲国产成人资源在线桃色,久久99精品久久久久久h,在线免费视频国产

Doxercalciferol 

IUPAC name:(1S,3R,5Z,7E,22E)-9,10-Secoergosta-5,7,10,22-tetraene-1,3-diol

CAS No.:54573-75-0

Other Name:1-Hydroxyergocalciferol; 1-Hydroxyvitamin D2; 1α-Hydroxyergocalciferol; 1α-Hydroxyvitamin D₂; Hectorol; TSA 840

Molecular Formula:  C₂₈H₄₄O₂

Molar mass:412.66

Pharmacological action : This product is a kind of vitamin D₂ analogues for osteoporosis, secondary hyperthyroidism (SHPT), etc.. SHPT is the first vitamin D₂ analogue for the treatment of prostate cancer, colon cancer and breast cancer, and recent studies have indicated that the degree of the effect of Doxercalciferol of the bone marrow hyperplasia syndrome, chronic single nuclear cell leukemia and other cancers have a certain effect.