4H-Pyrazino(1, 2-a)pyrimidin-4-one, 2-(3-ethylpiperidinooxy)-3-phenyl-, hydrobromide

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 2-(cyanomethoxy)-3-phenyl-

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 2-hydroxy-3-phenyl-

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 3-(p-chlorophenyl)-2-(2-morpholinoethoxy)-, hydrobromide

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 3-(p-chlorophenyl)-2-(3-diethylaminopropoxy)-, hydrobromide

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 3-(p-chlorophenyl)-2-hydroxy-

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 3-phenyl-2-(2-(1-pyrrolidinyl)ethoxy)-, monohydrobromide

4H-Pyrazino(1, 2-a)pyrimidin-4-one, 3-phenyl-2-(2-piperidinoethoxy)-, monohydrobromide

4H-Pyrazino(2, 1-a)isoquinolin-4-one, 1, 2, 3, 6, 7, 11b-hexahydro-2-((cis-4-hydroxycyclohexyl)carbonyl)-

4H-Pyrazino(2, 1-a)isoquinolin-4-one, 1, 2, 3, 6, 7, 11b-hexahydro-2-((trans-4-hydroxycyclohexyl)carbonyl)-

4H-Pyrazino(2, 1-a)isoquinolin-4-one, dodecahydro-2-(cyclohexylcarbonyl)-

4H-Pyrazino(3, 2, 1-jk)carbazole, 5, 6-dihydro-, monohydrochloride

4H-Pyrazino(3, 2, 1-jk)carbazole, 5, 6-dihydro-10-chloro-, hydrochloride

4H-Pyrazino(3, 2, 1-jk)carbazole, 5, 6-dihydro-8-methyl-, monohydrochloride

4H-Pyrazole-4-carboxylic acid, 4-acetyl-3, 5-dimethyl-, ethyl ester

4H-Pyrazole-4-one, 3, 5-dihydro-3, 3, 5, 5-tetramethyl-

4H-Pyrazolo(1, 5-a)benzimidazole, 2-ethyl-4-methyl-, monohydrochloride

4H-Pyrazolo(1, 5-a)indole, 2-(3-methoxyphenyl)-

4H-Pyrazolo(1, 5-a)indole, 2-phenyl-

4H-Pyrazolo(3, 4-d)(1, 2, 4)triazolo(1, 5-a)pyrimidin-4-one, 1, 8-dihydro-8-(2-chlorophenyl)-