Changyi Sanxin Pharmaceutical Chemical Co.,Ltd.--Diaminomaleonitrile|3-Hydroxypropionitrile|1,3-Dimethylbarbituric acid|ethyl 7-bromo-2,2-dimethylheptanoate

Cis 3,5-dimethylpiperidine

Previous product： Rac 3,5-dimethylpiperidine