sodium 2-(N-morpholino)ethanesulfonate2-(N-Morpholino)ethanesulfonic acid sodium salt4-Morpholineethanesulfonic acid, sodium salt4-Morpholineethanesulfonic acid, sodium salt (1:1)MES sodium saltMES-NaSodium 4-morpholin-1-ylethylsulphonatesodium 2-morpholin-4-ylethanesulfonatesodium MES