25143-13-9 3-Ethyl-8-methyl-1,3,8-triazabicyclo(4.4.0)decan-2-one 6H-Pyrazino(1,2-c)pyrimidin-6-one, 7-ethyloctahydro-2-methyl- 6H-Pyrazino(1,2-c)pyrimidin-6-one, octahydro-7-ethyl-2-methyl- 7-Ethyl-2-methyloctahydro-6H-pyrazino(1,2-c)pyrimidin-6-one Centperazine