amide

"After I finished reading the book, I replaced it on the shelf. "

"He replaces the book on the shelf after reading it. "

"Many medications are derivatives of natural substances found in plants or fungi. "

"Hydrogen is the simplest chemical element, with only one proton in its atom. "

"The chemist synthesized a new drug by combining several different compounds. "

"My sister is very helpful, especially when it comes to organizing things. "

"The computer technician fixed the broken printer in the school library. "

"This musical piece is a derivative of a popular folk song. "

"The chemistry class focused on how different elements combine to form new substances. "

"I had no shallots so I substituted onion."

"The drama teacher asked the students to try reacting the scene with more emotion this time. "

"The scientist added a hydroxyl group to the molecule to make it a type of alcohol. "