N-(hexadecanoyl)-sphing-4-enine-1-phosphocholine(in) => N-(hexadecanoyl)-sphing-4-enine-1-phosphocholine(out)
n-(hexadecanoyl)-sphing-4-enine-1-phosphocholine(in) => n-(hexadecanoyl)-sphing-4-enine-1-phosphocholine(out)