. . "3-(Morpholin-4-yl)propane-1-sulfonic acid" . . . "MOPS" . . . . . . . "3-Morpholinopropanesulfonic acid," . "3-(N-Morpholino)propanesulfonic acid," . . "MOPS" . . "3-N-Morpholino propansulfonic acid," . "4-Morpholinepropanesulfonic acid" . . . . . . . . .