_:b13046844 . _:b7461494 . . _:b6927421 . . _:b13352493 . _:b14313830 . "1- and 3-nitro-BaP"@en . _:b6927988 . "2" . _:b14193477 . _:b10618724 . _:b6320265 . _:b6947308 . _:b12144468 .