_:b57848420 . _:b57848418 . _:b57848419 "C0220781" . _:b57848420 _:b57848421 . _:b57848419 "T038" . _:b57848418 "1"^^ . _:b57848421 "synthesis" . _:b57848421 . _:b57848418 _:b57848420 . _:b57848418 . _:b57848418 _:b57848419 . _:b57848418 .