申请人:Hodogaya Chemical Company, Ltd.
公开号:US05093335A1
公开(公告)日:1992-03-03
A dicyanopyrazine compound of the formula: ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 is hydrogen, lower alkyl, lower alkenyl, lower alkynyl, cycloalkyl, aralkyl, substituted aralkyl or thienylmethyl, provided that R.sub.1, R.sub.2 and R.sub.3 are not simultaneously hydrogen and that at least one of R.sub.1, R.sub.2 and R.sub.3 is an alkyl group having four or more carbon atoms.
一种二氰基吡嗪化合物,其化学式为:##STR1## 其中R.sub.1,R.sub.2和R.sub.3中的每一个是氢、低碳基、低烯基、低炔基、环烷基、芳基烷基、取代芳基烷基或噻吩基甲基,但要求R.sub.1,R.sub.2和R.sub.3不同时为氢,并且其中至少一个是含有四个或更多碳原子的烷基基团。