申请人:Hoechst Aktiengesellschaft
公开号:US04684662A1
公开(公告)日:1987-08-04
The invention relates to compounds of the formula ##STR1## in which R.sup.1 and R.sup.2 are identical or different and represent alkyl or aryl or together form a C chain and R.sup.3 denotes alkyl or aryl, a process for their preparation and their use.
本发明涉及公式 ##STR1## 中的化合物,其中R.sup.1和R.sup.2相同或不同,表示烷基或芳基,或者一起形成一个C链,R.sup.3表示烷基或芳基,以及它们的制备过程和使用。