1-Propanaminium, 3-carboxy-2-(2-mercapto-1-oxopropoxy)-N,N,N-trimethyl-, chloride 2-Mercaptobutyryl carnitine chloride 3-Carboxy-2-(2-mercapto-1-oxopropoxy)-N,N,N-trimethyl-1-propanaminium chloride 83544-85-8