The invention relates to itaconate derivatives of general formula [1] or [2] or salts thereof wherein R1 represents hydrogen atom, lower alkyl or phenyl-lower alkyl in which the benzene ring can be substituted by lower alkyl; R2 represents hydrogen atom or lower alkyl; "A" represents lower alkylene.
本发明涉及通式[1]或[2]的
衣康酸酯衍
生物或其盐,其中 R1 代表氢原子、低级烷基或苯基-低级烷基,其中苯环可被低级烷基取代;R2 代表氢原子或低级烷基;"A "代表低级亚烷基。