preferred_name: 4-hydroxyphenylacetate(in) <=> 4-hydroxyphenylacetate(out)
preferred_name_lc: 4-hydroxyphenylacetate(in) <=> 4-hydroxyphenylacetate(out)
label: 4-hydroxyphenylacetate(in) <=> 4-hydroxyphenylacetate(out)
label_lc: 4-hydroxyphenylacetate(in) <=> 4-hydroxyphenylacetate(out)