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It's been documented the furocoumarin angelicin (2) located in the fruit of Psoralea corylifolia L. is structurally linked to psoralen, a well-identified chemical photosensitizer, that's useful for treatment of different skin ailments for instance psoriasis and vitiligo on account of its anti-proliferative influence.(acquired by HNTf2 and TMSOTf) t