_:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 "2021-09-24"^^ . _:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 "07850029X" . _:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 . _:B5cd545c180c4512042daab18366611d8 . . . "Ethynyl-verbindingen"@nl . "Ethynyl compounds"@en . .