DETAILED DESCRIPTION OF THE INVENTION In Formula (I), examples of the 5- or 6-membered aromatic ring as represented by Z.
sup.
1 together with the adjacent carbon atom, include thiazoles, oxazoles, imidazoles, pyridines, pyrimidines, benzenes, etc.
, each of which may be substituted or may be condensed.
The substituents include an alkyl group (e.
g.
, methyl, ethyl, isopropyl, butyl, t-butyl, octyl, t-octyl, decyl, hexadecyl, docosyl, 2-hydroxyethyl, carboxymethyl, cyanomethyl, 2-methoxyethyl, benzyl, 2-phenylethyl, trifluoromethyl, and 3-(2-benzimidazolyl)propyl); an aryl group (e.
g.
, phenyl, 4-methylphenyl, 3-methoxyphenyl, and 4-chlorophenyl); a halogen atom (e.
g.
, fluorine, chlorine, bromine, and iodine); an alkoxy group (e.
g.
, methoxy, butoxy, 2-methoxyethoxy, benzyloxy, and 2-phenylethoxy); an aryloxy group (e.
g.
, phenoxy, 4-t-butylphenoxy, and 4-chlorophenoxy); an acylamino group (e.
g.
, acetylamino, 2-ethylhexanoylamino, pivaloylamino, methanesulfonylamino, benzoylamino, and 4-methylbenzenesulfonylamino); a carbamoyl group (e.
g.
, carbamoyl, N-methylcarbamoyl, N-ethylcarbamoyl, and N-phenylcarbamoyl); a sulfamoyl group (sulfamoyl, N-methylsulfamoyl, and N-phenylsulfamoyl); an acyloxy group (e.
g.
, acetyloxy, pivaloyloxy, benzoyloxy, and benzenesulfonyloxy); an alkyloxycarbonyl group; an aryloxycarbonyl group; an alkyloxysulfonyl group; an aryloxysulfonyl group, an alkylthio group, an arylthio group; a hydroxyl group; a thiol group; a carboxyl group; a ureido group (e.
g.
, methylureido, ethylureido, and phenylureido); a cyano group; an alkylsulfonyl group; an arylsulfonyl group; an alkylsulfinyl group, an arylsulfinyl group; a nitro group, and the like.
The pyrrole, imidazole, pyrazole, triazole or tetrazole ring formed by Z.
sup.
2 together with the adjacent nitrogen atom may be substituted with, for example, an alkyl group (e.
g.
, methyl, ethyl.
, t-butyl, 2-ethylhexyl, and trifluoromethyl); a halogen atom (e.
g.
, fluorine, chlorine, bromine, and iodine); an acylamino group (e.
g.
, acetylamino, pivaloylamino, 2-ethylhexanoylamino, 2,2-dimethylpentanoyl, and 2-(2,5-di-t-amylphenoxy)propionyl); an alkoxy group (e
|
LCD 
