preferred_name: sphing-4-enine + 2 S-adenosyl-L-methionine <=> N,N-dimethylsphing-4-enine + 2 S-adenosyl-L-homocysteine + 2 H(+)
preferred_name_lc: sphing-4-enine + 2 s-adenosyl-l-methionine <=> n,n-dimethylsphing-4-enine + 2 s-adenosyl-l-homocysteine + 2 h(+)
label: sphing-4-enine + 2 S-adenosyl-L-methionine <=> N,N-dimethylsphing-4-enine + 2 S-adenosyl-L-homocysteine + 2 H(+)
label_lc: sphing-4-enine + 2 s-adenosyl-l-methionine <=> n,n-dimethylsphing-4-enine + 2 s-adenosyl-l-homocysteine + 2 h(+)