NMR STUDY ON THE REACTION OF REARRANGEMENT OF 17β-HYDROXY-7α-METHYL-19-NOR-17-α-PREGN-5(10)-EN-20YN-3-ONE
XU Hao, LIU Xuehui, CUI Yuxin, ZHAO Min, SHEN Jiaxiang
Chinese Journal of Magnetic Resonance . 2000, (1): 17 -22 .