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nitropyrene
nitropyrene n.
Brit. 
/ˌnʌɪtrə(ʊ)ˈpʌɪriːn/
, /ˌnʌɪtrə(ʊ)ˈpʌɪriːn/U.S. /ˌnaɪtroʊˈpaɪˌrin/
a derivative of pyrene containing a nitro group in place of a hydrogen atom./ˌnaɪtroʊˈpaɪˌrin/ΚΠ
1971 Jrnl. Amer. Chem. Soc. 93 1812/1 Work-up as with the perylene reactions gave 98 mg of 1-nitropyrene.
1995 Carcinogenesis 16 3027/1 Nitropyrenes are environmental contaminants produced as by-products of combustion.
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