preferred_name: N,N-dimethylglycine(out) => N,N-dimethylglycine(in)
preferred_name_lc: n,n-dimethylglycine(out) => n,n-dimethylglycine(in)
label: N,N-dimethylglycine(out) => N,N-dimethylglycine(in)
label_lc: n,n-dimethylglycine(out) => n,n-dimethylglycine(in)