Compounds of formula (I):
wherein:
R
1
represents a hydrogen atom or a —COOR group,
R
2
represents a group G or a linear or branched (C
1
-C
6
)alkyl group substituted by a group G, wherein G represents a —(CH
2
)
n
-A-(CH
2
)
m
—B—(CR
4
R
5
)
p
—(CH
2
)
o
-R
6
group as defined in the description,
R
3
represents a hydrogen atom, an alkyl group or an NO
2
group.
公式(I)的化合物:
其中:
R1代表氢原子或—COOR基团,
R2代表一个G基团或一个线性或支链(C1-C6)烷基基团,该基团被一个G基团取代,其中G代表在描述中定义的—(
CH2)n-A-( )m—B—(CR4R5)p—( )o-R6基团,
R3代表氢原子、烷基基团或
NO2基团。