Compounds of the formula Het--O--CH.sub.2 --CHOR--CH.sub.2 -NHaralkyl where Het is a 10 membered N-containing ring are disclosed. The compounds are useful as pharmaceuticals.
                            本发明公开了
化学式为Het-O-CH.sub.2-CHOR-CH.sub.2-NHaralkyl的化合物,其中Het为含氮的10元环。这些化合物可用作药物。