Single/multi-select question: Does the sentence "In 1903 Hermann Emil Fischer and Joseph von Mering disclosed their discovery that diethylbarbituric acid, formed from the reaction of diethylmalonic acid, phosphorus oxychloride and urea, induces sleep in dogs." provide a valid answer to the question "What compound was discovered to induce sleep?"
Pick your answer from: (A). yes; (B). no;
(A).