_:b17346913 . _:b17346913 . . _:b17346916 . _:b17346914 . "An active ingredient, typically chemical compounds and/or biologic substances." . . _:b17346916 . "active ingredient" . _:b17346915 _:b17346916 . _:b17346913 _:b17346914 . _:b17346914 _:b17346915 . _:b17346915 .