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L-4-Hydroxyphenyl-d4-alanine-2,3,3-d3

L-4-Hydroxyphenyl-d4-alanine-2,3,3-d3

L-Tyrosine-α,β,β,2,3,5,6-d7

L-Tyrosine-α,β,β,2,3,5,6-d7