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CAS NO:6785-71-3
CAS:
6785-71-3
英文名称:
19-nor-17-alpha-pregn-4-en-20-yne-3,17-diol, diacetate
17-alpha-ethynyl-19-nor-delta(sup 4)-androstene-3,17-diacetoxy
19-nor-17-alpha-pregn-4-en-20-yne-3,17-beta-diol, diacetate
