“The replacement of ethyl with phenyl in the sec-butyl ester group does not result in diastereoisomeric excess.”

“The aromatic aldehydes have a benzene or phenyl ring connected to the aldehyde group.”

“The phenyl group is often encountered as an intermediate in many organic reactions.”

“The ability to taste, tested using a compound phenylthiocarbamide, is one of the best studied inherited traits in humans.”

“For decades, taste researchers have used a chemical called phenylthiocarbamide to assay a person's capability to sense a bitter taste.”

“In any case, I couldn't find any online, so I sent away for a strip flavored with phenylthiocarbamide, one of PROP's chemical cousins.”