preferred_name: 3-hydroxypropanoate(out) = 3-hydroxypropanoate(in)
preferred_name_lc: 3-hydroxypropanoate(out) = 3-hydroxypropanoate(in)
label: 3-hydroxypropanoate(out) = 3-hydroxypropanoate(in)
label_lc: 3-hydroxypropanoate(out) = 3-hydroxypropanoate(in)