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