_:b56497038 _:b56497040 . _:b56497039 "C0003451" . _:b56497040 . _:b56497038 "0.81"^^ . _:b56497041 "antiviral activity" . _:b56497040 _:b56497041 . _:b56497038 _:b56497039 . _:b56497041 . _:b56497038 . _:b56497038 . _:b56497038 . _:b56497039 "T121" .