Pyrazinooxazines
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Cat ID: O320163,4-dihydro-2-methyl-3-oxo-2H-pyrazino[2,3-b][1,4]oxazine-6-carbonitrileCAS#: 1956369-39-3
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Cat ID: P448931,6,7,8,9,9a-hexahydropyrazino[2,1-c][1,4]oxazin-4-one hydrochlorideCAS#: 907611-38-5