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Noun edit

acanthoic acid (uncountable)

  1. (organic chemistry) The diterpenoid carboxylic acid (1R,4aR,7S)-7-ethenyl-1,4a,7-trimethyl-3,4,6,8,8a,9,10,10a-octahydro-2H-phenanthrene-1-carboxylic acid present in the roots of Annona amazonica