Input (grade 13): In 1865 KekulÃ published a paper in French (for he was then still in Francophone Belgium) suggesting that the structure contained a six-membered ring of carbon atoms with alternating single and double bonds.
Output (grade 12): In 1865 KekulÃ published a paper in French suggesting that the structure contained a six-membered ring of carbon atoms with alternating single and double bonds.