卟吩（bǔ fēn，Porphin），旧称“㗊”（leí），是四个吡咯环的 α-碳原子通过四个次甲基（－CH=）桥相连而成的共轭体系，是最简单的卟啉。
批准肿瘤光敏感剂卟吩姆钠，允许在美国进行光动力治疗。
Porfimer sodium, a drug that sensitizes tumors to light, is approved by FDA, permitting photodynamic therapy in the United States.
目的：对结构相似的5种二氢卟吩金属络合物进行定性鉴别。
Objective: To qualitatively identify 5 chlorin metal complexes which had similar structures.
FDA批准肿瘤光敏感剂卟吩姆钠，允许在美国进行光动力治疗。
Porfimer sodium, a drug that sensitizes tumors to light, is approved by FDA, permitting photodynamic therapy in the United States.
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