Crossword Genius

Chemical compound delivered by needle is nasty (8)

Ross

I believe the answer is:

selenide

'chemical compound' is the definition.

'needle is nasty' is the wordplay.
'nasty' indicates anagramming the letters.
'needle'+'is'='needleis'
'needleis' is an anagram of 'SELENIDE'.

'delivered by' acts as a link.

I've seen this clue in The Times.
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