The present invention relates to polyamine derivatives of the formula RHN-(CH.sub.2).sub.m -NH-(CH.sub.2).sub.n -NHR wherein m is an integer from 2 to 4, n is an integer from 3 to 10 and R is C.sub.2 -C.sub.6 alkyl or --(CH.sub.2).sub.p -Ar wherein Ar is phenyl or naphthyl and p is an integer from 0 to 2; and the pharmaceutically acceptable addition salts thereof which are useful as radioprotective agents. It relates also to the use of polyamines of the formula RHN-(CH.sub.2).sub.m -NH-(CH.sub.2).sub.n -NH-(CH.sub.2).sub.m -NHR wherein m is an integer from 2 to 4, n is an integer from 3 to 10 and R is C.sub.2 -C.sub.6 alkyl or --(CH.sub.2).sub.p -Ar wherein Ar is phenyl or naphthyl and p is an integer from 0 to 2; and the pharmaceutically acceptable addition salts thereof as radioprotective agents.
本发明涉及公式RHN-(CH.sub.2).sub.m -NH-(CH.sub.2).sub.n -NHR的
多胺衍
生物,其中m为2到4的整数,n为3到10的整数,R为C.sub.2 -C.sub.6烷基或--(CH.sub.2).sub.p -Ar,其中Ar为苯或
萘,p为0到2的整数;以及它们的药学上可接受的加盐物,可用作放射防护剂。它还涉及使用公式RHN-(CH.sub.2).sub.m -NH-(CH.sub.2).sub.n -NH-(CH.sub.2).sub.m -NHR的
多胺,其中m为2到4的整数,n为3到10的整数,R为C.sub.2 -C.sub.6烷基或--(CH.sub.2).sub.p -Ar,其中Ar为苯或
萘,p为0到2的整数;以及它们的药学上可接受的加盐物作为放射防护剂。