Page 534 - Applied Pharmacognosy
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The Constructing Units 533
5. Cei6tCh2eNr unit: This unit is formed from
L-phenylalanine or L-tyrosine.
In the elaboration of this unit, the
carboxyl carbon of the amino acid is Phenylalanine
removed. Tyrosine
6.Indole dCe2Ncarbuonxity:latLio-tnrytpotporpohvaidne can Tryptophan
undergo as indole the
remainder of the skeleton C2N
unit.