
(R)-3-Amino-3-(3,4-methylendioxyphenyl)propionicacidethylester , 【149520-08-1】
Molecular Formula: C12H15NO4
Formula Weight: 237.25

N-BOC-D-tyrosine benzyl ester , 【129439-63-0】
Molecular Formula: C21H25NO5
Formula Weight: 371.43
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