_:b56856550 . _:b56856552 _:b56856553 . _:b56856550 _:b56856552 . _:b56856552 . _:b56856550 . _:b56856550 . _:b56856550 "0.81"^^ . _:b56856551 "T121" . _:b56856553 . _:b56856553 "antiviral activity" . _:b56856550 _:b56856551 . _:b56856551 "C0003451" .