申请人:Abbott Laboratories
公开号:US04219497A1
公开(公告)日:1980-08-26
The present invention comprises compounds of the formula ##STR1## and the biologically acceptable acid addition salts thereof wherein R.sub.1 represents hydrogen, or lower alkyl having 1-4 carbon atoms; R.sub.2 represents p-hydroxybenzyl or benzyl; R.sub.3 represents an alkyl having 1-6 carbon atoms; R.sub.4 represents amino or guanidino; R.sub.5 represents p-nitrophenyl, methylnitrophenyl, dinitrophenyl, naphthyl, or nitronaphthyl; and n is 3 or 4.
本发明包括以下式的化合物##STR1##及其生物学可接受的酸盐,其中R.sub.1代表氢,或具有1-4个碳原子的较低烷基;R.sub.2代表对羟基苄或苄基;R.sub.3代表具有1-6个碳原子的烷基;R.sub.4代表氨基或胍基;R.sub.5代表对硝基苯基,甲基硝基苯基,二硝基苯基,萘基或硝基萘基;n为3或4。