1132-61-2 3-Morpholinopropanesulfonic acid 3-N-Morpholinopropanesulfonic acid 4-Morpholinepropane sulfonic acid 4-Morpholinepropanesulfonic acid 4-Morpholinopropanesulphonic acid BRN 1106776 EINECS 214-478-5 MOPS Morpholinopropane sulfonic acid Morpholinopropanesulfonic acid