4-Amino-4,6-dihydro-3-methyl-1H-cyclopenta
4-{[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-amino}-3-methyl-4H-cyclopenta[1,2,4]triazine-5,7-dicarboxylic acid diethyl ester
4-{[1-(4-Methoxy-phenyl)-meth-(E)-ylidene]-amino}-3-methyl-4,6-dihydro-1H-cyclopenta[1,2,4]triazine-5,7-dicarboxylic acid diethyl ester
3-Methyl-4-{[1-(3-nitro-phenyl)-meth-(E)-ylidene]-amino}-4,6-dihydro-1H-cyclopenta[1,2,4]triazine-5,7-dicarboxylic acid diethyl ester
3-Methyl-4-{[1-phenyl-meth-(E)-ylidene]-amino}-4H-cyclopenta[1,2,4]triazine-5,7-dicarboxylic acid diethyl ester