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