The crystal structure of midodrine hydro-chloride Form A (systematic name: {[2-(2,5-di-meth-oxy-phen-yl)-2-hy-droxy-eth-yl]carbamo-yl}methanaminium chloride, C12H19N2O4 +·Cl-) has been solved and refined using synchrotron X-ray powder diffraction data, and op... ...