| 英文名称: | | 5(10)-trien-20-yne, 21-chloro-3,17-dimethoxy-19-nor-17-alpha-pregna-3 | | 17-alpha-chloroethynyl-3,17-beta-dimethoxy-oestra-1,3,5(10)-triene | | 21-chloro-3,17-dimethoxy- (17-alpha)-19-norpregna-5(10)-trien-20-yne | | 21-chloro-3,17-dimethoxy-19-nor-17-alpha-pregn-1,3,5(10)-trien-20-yne | | bdh 2700 | | 5(10)-trien-20-yne,21-chloro-3,17-dimethoxy-19-nor-17-alpha-pregna-3 |
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