男用避孕药的研究已有二十多年的历史,迄今为止国际上还没有一种安全有效而理想的男用避孕药供实际应用。由我所合成室提供的N·N′-己撑双(β-毗啶酰胺),动物实验表明:对动物有明显的抗生育作用。可使曲精上皮损伤,坏死和干扰正常的精子发生。为了进一步观 The research on male contraceptives has been more than twenty years old. So far there is no safe, effective and ideal male contraceptive pill for practical application. The N · N’-hexamethonium bis (β-pyridine amine) provided by our synthetic laboratory shows that it has obvious anti-fertility effects on animals. Qujing epithelium can damage, necrosis and interfere with normal spermatogenesis. In order to further view