A compound represented by the formula (I) [R
1
to R
8
represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R
4
represents an amino group or —(CX
2
)
m
—COOH (m represents 0 to 3, and X represents hydrogen atom); R
5
represents —(CY
2
)
p
—COOR
6
(p represents an 0 to 3, Y represents hydrogen atom, and R
6
represents hydrogen atom or an alkyl group)], or a salt thereof.
化合物的
化学式为(I)[R1到R8代表烷基,烯基等;n代表0或1;R4代表
氨基或—(CX2)m—COOH(m代表0到3,X代表氢原子);R5代表—(CY2)p—COOR6(p代表0到3,Y代表氢原子,R6代表氢原子或烷基)],或其盐。