A compound of formula (I)
(where X
1
and X
2
represent independently a hydrogen atom or a group of formula (II)
R
1
represents a linear or branched halogenoalkyl group having 1-7 carbon atoms; Ra represents a hydroxyl group and Rb represents a linear or branched alkynyl group having 2-5 carbon atoms, or Ra and Rb, when taken together with the carbon to which they are bound, represent a carbonyl group; m is an integer of 2-14; n is an integer of 2-7; provided that X
1
and X
2
are not both a hydrogen atom), stereoisomers of the compound, or hydrates, salts or esters thereof, as well as a pharmaceutical composition containing a therapeutically effective amount of the compound.
化合物的
化学式为(I)(其中X1和X2分别独立地表示氢原子或式(II)的基团;R1表示具有1-7个碳原子的线性或支链卤代烷基;Ra表示羟基,Rb表示具有2-5个碳原子的线性或支链炔基,或当它们与它们所结合的碳一起时,表示羰基基团;m为2-14的整数;n为2-7的整数;前提是X1和X2不都是氢原子),化合物的立体异构体,或其
水合物、盐或酯,以及含有该化合物的治疗有效量的药物组合物。