单词	pyridoxal
释义	pyridoxal noun pyr·​i·​dox·​al ˌpir-ə-ˈdäk-ˌsal  : a crystalline aldehyde C8H9NO3 of the vitamin B6 group that occurs as a phosphate and is active as a coenzyme Word History Etymology International Scientific Vocabulary, from pyridoxine First Known Use 1944, in the meaning defined above Medical Definition pyridoxal noun pyr·​i·​dox·​al ˌpir-ə-ˈdäk-ˌsal  : a crystalline aldehyde C8H9NO3 of the vitamin B6 group that in the form of its phosphate is active as a coenzyme
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