释义 |
pic·ro·lon·ic acid \|pikrə|länik-\ noun Etymology: picrolonic from picr- + -olon- (in pyrazolone) + -ic : a yellow crystalline acidic compound C10H8N4O5 made by nitration of methyl-phenyl-pyrazolone that yields yellow solutions with alkalies and is used as a precipitant for organic bases (as alkaloids) |