The invention relates to a compound of the formula (I) in which: R
1
, R
2
and R
3
are independently a methoxy group optionally substituted by one or more fluorine atoms; R
4
is a hydrogen atom; R
5
and R
6
are identical and each represent a hydrogen or fluorine atom; A is a cycle selected from the group including aryl and heteroaryl groups, wherein said groups can be substituted.
这项发明涉及公式(I)的化合物,其中:R1、R2和R3分别是一个甲氧基基团,该基团可以选择性地被一个或多个
氟原子取代;R4是一个氢原子;R5和R6相同,每个代表一个氢或
氟原子;A是从包括芳基和杂环基团在内的一组环中选择的,其中这些基团可以被取代。