The most common and most likely answer to this crossword clue is the 5 letter word ETHYL
E
T
H
Y
L
More clues leading to the result ETHYL
- They will unravel Latin compound
- From what we hear, girl could be this sort of radical
- The Spanish drinking your old kind of alcohol
- Source of alcohol the drunken yokel emptied
- Your imprisonment by extremely evangelical radical
- 23 for your punching the Spanish radical
- Argon extracted from earthly compound to make type of alcohol
- Type of alcohol they served, primarily liqueurs
Buddy explains!

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 = ethyl.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 ETHYL mean?
ETHYL noun- The univalent hydrocarbon radical, C2H5, formally derived from ethane by the loss of a hydrogen atom.