| abstract |
PURPOSE:Optically active or inactive isocarbostyril derivatives of formula I (R<1> is H, 1-4C lower alkyl, phenyl that may be substituted, benzyl that may be substituted; R<2> is monofunctional substituent;R<3> is H, 1-4C lower alkyl;carbon marked with asterisk is asymmetric when R<3> is lower alkyl;n is 0,1,2). |