| 摘要 |
(A) Cmpds. - (I) R1, R2 & R4 = an aliphatic residue, eg. opt. subst. alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylene, an araliphatic residue, eg. opt. subst. PhCH2, an aliphatic residue substd. by a heteroaromatic gp., or (R2 & R4 only) H. - R3 = Cl or Br. - R5 = an opt. subst. aryl or heteroaryl residue. - (B) Acyl derivs, esters, and salts of I. - Diuretics, sodiouretics and chloruretics, active at doses of 0.002g/kg/day.
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