2-Quinoxalinol, 3,4-dihydro-;3,4-Dihydroquinoxalin-2(1H)-one;3,4-Dihydroquinoxalin-2-ol;1,3,4-Trihydroquinoxalin-2-one;3,4-Dihydro-1h-quinoxalin-2-one;3,4-Dihydro-2(1H)-quinoxalinone;
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