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Nominated Substances: Quinoxaline
Nomination Date: 09/20/1996
Nominator: NCI
Rationale: Quinoxaline is nominated for metabolism studies based on its potential for human exposure and a suspicion of carcinogenicity based on its structural relationship to quinoline. It has a wide variety of chemical uses and has been identified as a natural flavor constituent of coffee and roasted sesame seed oil.
NTP Principles: not specified