Boc-b-Phe(3,4-dimethoxy)-OH

(s)-boc-3,4-dimethoxy-β-phe-oh

Boc-3,4-DiMethoxy-L-b-phenylalanine

(S)-3-(Boc-amino)-3-(3,4-methoxyphenyl)propionic acid, Boc-3,4-dimethoxy-D-β-phenylalanine