申请人:Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
公开号:US04153696A1
公开(公告)日:1979-05-08
There are prepared compounds of the formula ##STR1## in which T is the theophyllin-7-yl group and alk is a straight or branched alkylene chain with 2 to 4 carbon atoms and salts thereof. The compounds promote circulation and produce a marked and persistent increase in renal circulation.