Crossword Clue:

A radical sign

AnswerCrossword Clue
ACETYLLike a vinegar radical
NITROSYLRadical in a lab
CLDASKGJZA D.E.A. official busted this radical (9)
SLA'70s radical gp. with a seven-headed cobra symbol
SAHLComic who declared "I'm not a liberal, I'm a radical!"
SLARadical leftist gp. that had an emblem of a seven-headed cobra