3-<<2-<2,5-bis(benzyloxy)benzamido>ethyl>amino>-1-phenoxypropan-2-ol 、
3,4-Bis-benzyloxy-N-[2-(2-hydroxy-3-phenoxy-propylamino)-ethyl]-benzamide 以There are thus obtained respectively 1-phenoxy-3-β-(2,5-dihydroxybenzamido)ethylamino-2-propanol (hemioxalate m.p. 195°-197° C.的产率得到2,5-Dihydroxy-N-[2-(2-hydroxy-3-phenoxy-propylamino)-ethyl]-benzamide