C1 unit from phenylalanine, although not from DOPA. Through tracer evidence it is understood that the norbelladine originates by reduction on the condensation item of tyramine with protocatechuric aldehyde, intermediates which originate from tyrosine and phenylalanine, respectively (Plan 22). Info is shared for educational purposes only. You need to speak https://lumacaftor44320.blogdon.net/an-unbiased-view-of-chir-090-35429992