通过对硫脲衍生物分子化学键的研究，发现了氧气法不仅适用于生产二苯胍，还适用于生产其他胍衍生物。
Oxidative methods to prepare not only 1,3-Diphenyl guanidine but also other guanidine derivants were introduced through studying chemical bonds of thiourea derivants in this paper.
有学者认为，可能是胍类衍生物，但又不具有胍类药的毒副作用。
Some scholars think that it may be guanidine derivatives but without any toxic side-effects of guanidine drugs.
同时研究合成三嗪类衍生物，以二甲双胍为起始原料，合成了7个三嗪类化合物。
Synthesize triazine compounds from metformin which is the prime material. 7 triazine compounds have been synthesized.
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