cyclo(D-alanyl-L-alanyl-N,O-dimethyl-L-tyrosyl-L-alanyl-N-methyl-L-tyrosyl-N,O-dimethyl-L-tyrosyl) cyclic 54[*]63 ether

N,O4-dimethyl-L-DOPA methyl ester

3-乙酰基-N-苄氧羰基-L-酪氨酸甲酯

3-hydroxy-N,O-dimethyl-N-[(phenylmethoxy)carbonyl]-L-tyrosine methyl ester

3-acetyl-N,O-dimethyl-N-[(phenylmethoxy)carbonyl]-L-tyrosine methyl ester