Synonyms: Pyrazino[2,3-b]pyrazine,decahydro-2,7-dimethyl-,(2-alpha-,4a-alpha-,7-bta-,8a-bta-)-(9CI);(2-ALPHA-,4A-ALPHA-,7-BTA-,8A-BTA-)-DECAHYDRO-2,7-DIMETHYL-PYRAZINO[2,3-B]PYRAZINE;Pyrazino[2,3-b]pyrazine, decahydro-2,7-dimethyl-, (2-alpha-,4a-alpha-,7-ba-,8a-ba-)- (9CI)