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L-Tryptophan,N-[[[(1S)-2-[[(1S,2S)-2-[[(2S)-2-amino-3-(3-hydroxyphenyl)-1-oxopropyl]methylamino]-1-[[[(Z)-[(4R,5R)-5-(3,4-dihydro-2,4-dioxo-1(2H)-pyrimidinyl)dihydro-4-hydroxy-2(3H)-furanylidene]methy related products: