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2-Pyrrolidinone,1-acetyl-5-ethynyl-

2-Pyrrolidinone,1-nitro-

2-Quinoxalinamine, 3-ethynyl-

2-Quinoxalinamine, 6-chloro-

2-Quinoxalinamine, 6-methyl-

2-Quinoxalinamine, 7-chloro-

2-Quinoxalinamine, n-methyl-

2-Quinoxalinecarbonitrile, 3,4-dihydro-3-oxo-

2-Quinoxalinecarbonitrile, 3-methyl-

2-Quinoxalinecarbonitrile, 6-methyl-