antinitrogen is a mean of oil
antiflatulent is agent. entheogen is hallucinogen. animal_oil is oil. oil is inanimate_object. oil_gland is exocrine_gland. skin_oil is oil. isoagglutinogen is agglutinogen. antifungal is agent. antineutrino is antilepton. eicosapentaenoic_acid is omega_3_fatty_acid.