申请人:Nishi Takahide
公开号:US20070191468A1
公开(公告)日:2007-08-16
A pharmaceutical composition is provided that has a low toxicity, demonstrates superior physicochemical properties and pharmacokinetics, and has superior peripheral blood lymphocyte count lowering activity. The pharmaceutical composition contains a compound having general formula (I):
[Chemical Formula 1]
(wherein R
1
represents a methyl group or an ethyl group, R
2
represents a methyl group or an ethyl group, and R
3
represents a phenyl group substituted with 1 to 3 substituents selected from the group consisting of a halogen atom, a lower alkyl group, a cycloalkyl group, a lower alkoxy group, a halogeno lower alkyl group, a lower aliphatic acyl group and a cyano group), a pharmacologically acceptable salt thereof or a pharmacologically acceptable ester thereof.
提供了一种低毒性、表现出优越的物理化学性质和药代动力学,并具有优越的外周血淋巴细胞计数降低活性的药物组合物。该药物组合物包含具有一般式(I)的化合物:[化学式1](其中R1代表甲基基团或乙基基团,R2代表甲基基团或乙基基团,R3代表苯基,该苯基被1至3个取自卤原子、较低烷基基团、环烷基团、较低烷氧基团、卤代较低烷基基团、较低脂肪酰基基团和氰基的取代基所取代),以及其药理学上可接受的盐或药理学上可接受的酯。