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Nominated Substances: 12-o-Hexadecanoyl-16-hydroxyphorbol-13-acetate (HHPA)
Nomination Date: 04/18/1984
Nominator: Private Individual
Rationale: Occurrence in Tung Oil, a widely used product. Member of Phorbol Ester Class, which contains cancer promoting and virus activating agents.
NTP Principles: not specified