The unsaturated organic compound ~ 3H-levonorgestrel is prepared via its tritiated intermediate made by electric discharge method which ensures the unsaturated compound not to be hydrogenated .

采用化学 合成法制备了不饱和有机化合物 ~3H-左旋18-甲基炔诺酮，确保了 分子中的炔 基不被氢化。