单词 | porphyric acid |
释义 | > as lemmasporphyric acid † porphyric acid n. Obsolete a yellow crystalline acid, reported to have the formula C10H4N2O7, obtained by the reaction of nitric acid on euxanthone, and producing a blood-red colour on reaction with ammonium carbonate.extracted from † porphyricadj.2< as lemmas |
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