Pyrazino

2H-Pyrazino[1,2-b]isoquinoline, 1,3,4,6,11,11a-hexahydro-

2-(4-Methoxyphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one

4H-Pyrazino[2,1-a]isoquinolin-4-one,1,2,3,6,7,11b-hexahydro-9,10-dimethoxy-

2(1H)-Pyrazinone, 5,6-dihydro-1-(phenylmethyl)-, 4-oxide

Pyrazino[1,2-a]azepine, decahydro-2-[2-(4-pyridinyl)ethyl]-

9H,11H-Pyrazino(2,1-c)pyrrolo(1,2-a)(1,4)benzodiazepin-11-one, 12,13,14,14a-tetrahydro-13-ethyl-

2H-Pyrazino[1',2':1,5]pyrrolo[2,3-b]indole-1,4(3H,5aH)-dione,6-(1,1-dimethyl-2-propen-1-yl)-3-[[2-(1,1-dimethyl-2-propen-1-yl)-1H-indol-3-yl]methyl]-6,10b,11,11a-tetrahydro-10b-hydroxy-,(3S,5aR,10bS,11aS)-

4H-Pyrazino[2,1-a]isoquinolin-4-one,2-(chloroacetyl)-1,2,3,6,7,11b-hexahydro-

Pyrazino[2,3-b]pyrazine, decahydro-1,4,5,8-tetranitro-

Pyrazino[2,3-f][1,10]phenanthroline-2-carboxamide, N-butyl-

4H-Pyrazino[2,1-a]isoquinolin-4-one,2-(cyclooctylcarbonyl)-1,2,3,6,7,11b-hexahydro-

[10b,10'b(11H,11'H)-Bi-3,11a-epidithio-11aHpyrazino[ 1',2':1,5]pyrrolo[2,3-b]indole]-1,1',4,- 4'-tetrone,2,2',3,3',5a,5'a,6,6'-octahydro-11,- 11'-dihydroxy-2,2',3,3'-tetramethyl-,(3S,3'S,- 5aR,5'aR,10bS,10'bS,11S,11'S,11aS,11'aS)-

3-ETHYL-5,6-DIMETHYL-2(1H)-PYRAZINONE

4-hydroxy-3-phenylpyrazino[1,2-a]pyrimidin-2-one

7-ethyl-6-oxo-N-phenyloctahydro-2H-pyrazino[1,2-c]pyrimidine-2-carboxamide

4H-Pyrazino[2,1-a]isoquinolin-4-one,2-(cyclohexylcarbonyl)-1,2,3,6,7,11b-hexahydro-3,6-dimethyl-

Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-6-(1-methylethyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (12aS)-

2-(12-phenyl-3,4,6,7,12,12a-hexahydropyrazino[2,1-b][3]benzazepin-2(1H)-yl)ethanol di[(2E)-but-2-enedioate] (salt)

Pyrazino[1',2':1,6]pyrido[3,4-b]indole-3-propanoic acid, 1,2,3,4,6,7,12,12a-octahydro-9-methoxy-6-(2-methylpropyl)-1,4-dioxo-, 1,1-dimethylethyl ester, (3S,6S,12aS)-

9-chloro-7-phenyl-3-(2-phenylethyl)-1,2,3,4,4a,5-hexahydropyrazino[1,2-a][1,4]benzodiazepine

1H-Pyrazino[1,2-a]quinoxalin-5(6H)-one,2,3,4,4a-tetrahydro-3-[5-(4-pyridinyl)pentyl]-

2(1H)-Pyrazinone, 5-chloro-1-[(4-methoxyphenyl)methyl]-3-phenyl-

2(1H)-Pyrazinone, [(phenylazo)-4-pyridinylmethylene]hydrazone

PYRAZINO(1,2:1,6)PYRIDO[3,4-B]INDOLE,1,2,3,4,6,7,12,12A-OCTAHYDRO-,(+-)-