The most common and most likely answer to this crossword clue is the 7 letter word BENZOIN
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The straight part
We know that "compound" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case compound = benzoin.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BENZOIN mean?
BENZOIN noun- A resinous substance, dry and brittle, obtained from the Styrax benzoin, a tree of Sumatra, Java, etc., having a fragrant odor, and slightly aromatic taste. It is used in the preparation of benzoic acid, in medicine, and as a perfume.
- An aromatic hydroxy ketone, 2-hydroxy-1,2-di(phenyl)ethanone, synthesized from benzaldehyde; any derivative of this compound.
- The spicebush, Lindera benzoin.