英语词汇“porphin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	porphin
释义	por·phin \ˈpȯrfə̇n\ noun also por·phine \“, -ˌfēn\ (-s) Etymology: porphyrin : a deep purple crystalline compound C₂₀H₁₄N₄ that is made synthetically from pyrrole and formaldehyde, contains four pyrrole rings joined by methenyl groups so as to give a heterocyclic arrangement, and forms the essential skeletal structure of the porphyrins, heme, and chlorophyll — compare structural formula
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