to four carbon atoms or an arylalkyl group such as benzyl or R5 taken with...http://www.google.com.au/patents/US3966724?utm_source=gb-gplus-sharePatent US3966724 - 1-(??-Aminomethylbenzyl)isoquinoline compoundsAdvanced Patent SearchPublication numberUS3966724 APublication typeGrantApplication numberUS 05/534,741Publication date29 Jun 1976Filing date20 Dec 1974Priority date20 Dec 1974Publication nu