preferred_name: L-tyrosine <=> 3-amino-3-(4-hydroxyphenyl)propanoate
preferred_name_lc: l-tyrosine <=> 3-amino-3-(4-hydroxyphenyl)propanoate
label: L-tyrosine <=> 3-amino-3-(4-hydroxyphenyl)propanoate
label_lc: l-tyrosine <=> 3-amino-3-(4-hydroxyphenyl)propanoate