English 2-Acrylamido-2-methylpropane sulphonic acid 2-Acrylamido-2-methylpropane sulphonic acid 2-Acrylamido-2-methylpropane sulphonic acid 2-Acrylamido-2-methylpropane sulfonic acid 2-Acrylamido-2-methylpropane sulphonic acid en.wikipedia.org 2-Acrylamido-2-methylpropane sulfonic acid