_:b57304413 . _:b57304411 "C0020283" . _:b57304413 "pH" . _:b57304410 . _:b57304412 _:b57304413 . _:b57304410 _:b57304412 . _:b57304412 . _:b57304410 . _:b57304410 . _:b57304410 _:b57304411 . _:b57304411 "T081" . _:b57304410 "1"^^ .