https://9dok.org/document/yr3d0mr7-aromatichydrocarbonsorarylhydrocarbonsarerecognizedandboundbytheah-whicharepresentinthecytoplasmofmostofthecellsofhumanorganism-thecategoryofpolycyclicaromatichydrocarbons-whichconsistofthreeormorefusedaromaticrings-theyareubiquitouslypresentintheenvironm.html