申请人:Hoffmann-La Roche Inc.
公开号:US03997536A1
公开(公告)日:1976-12-14
Phenyl-pyrimidines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are as hereinafter set forth, are described. The end products are useful as liquid crystals.
公式为##STR1##的苯基嘧啶,其中R.sub.1和R.sub.2如下所述。最终产物可用作液晶。