| abstract |
A hexitol derivative represented by formula (I)n n wherein R represents hydrogen, unsubstituted or lower alkyl-substituted cycloalkyl, lower alkenyl, lower alkoxy, lower alkanoyl, piperidyl orn n wherein each of m and n independently represents an integer of 0 to 3; each of X, Y and Z independently represents hydrogen, lower alkyl, lower alkoxy, lower alkanoyl, lower alkanoyloxy, hydroxyl, halogen or nitro nor a pharmaceutically acceptable salt thereof. |