preferred_name: N-hexadecanoylsphing-4-enine(out) => N-hexadecanoylsphing-4-enine(in)
preferred_name_lc: n-hexadecanoylsphing-4-enine(out) => n-hexadecanoylsphing-4-enine(in)
label: N-hexadecanoylsphing-4-enine(out) => N-hexadecanoylsphing-4-enine(in)
label_lc: n-hexadecanoylsphing-4-enine(out) => n-hexadecanoylsphing-4-enine(in)