preferred_name: 5-hydroxy-3-methyl-L-tyrosine + S-adenosyl-L-methionine = 5-hydroxy-3-methyl-O-methyl-L-tyrosine + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: 5-hydroxy-3-methyl-l-tyrosine + s-adenosyl-l-methionine = 5-hydroxy-3-methyl-o-methyl-l-tyrosine + s-adenosyl-l-homocysteine + h(+)
label: 5-hydroxy-3-methyl-L-tyrosine + S-adenosyl-L-methionine = 5-hydroxy-3-methyl-O-methyl-L-tyrosine + S-adenosyl-L-homocysteine + H(+)
label_lc: 5-hydroxy-3-methyl-l-tyrosine + s-adenosyl-l-methionine = 5-hydroxy-3-methyl-o-methyl-l-tyrosine + s-adenosyl-l-homocysteine + h(+)