Patent ID: 6184238
Filing Date: 2001-02-06
Classification: C07D

Abstract:
An N-hydroxyurea derivative having the formula (IL: ##STR15##wherein, in the formula (I), R.sub.1 represents A, either one of R.sub.2, R.sub.3, and R.sub.4 represents a 3-pyridyl group or 3-pyridyl lower alkyl group, the remaining groups of R.sub.2, R.sub.3, and R.sub.4, independently represent a hydrogen atom, a halogen atom, or a substituted or unsubstituted C.sub.1 to C.sub.5 alkyl group, where the substituent represents a carboxyl group, a methoxycarbonyl group, or an ethoxycarbonyl group, R.sub.5 represents a hydrogen atom, a methyl group, or an ethyl group, R.sub.6 represents a hydrogen atom, a methyl group, an ethyl group, or a C.sub.3 to C.sub.6 cycloalkyl group, and B represents a bond or a C.sub.1 to C.sub.12 linear alkylene group.