2-氯-5,6,7,8-四氢-6-(苯基甲基)-1,6-萘啶 、 N-甲基正丙胺 以N-methyl-N-propyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-amine hydrochloride (0.203 g, 46%) was obtained as a yellow powder的产率得到N-methyl-N-propyl-5,6,7,8-tetrahydro-1,6-naphthyridin-2-amine hydrochloride
Described is a method of screening for a drug for the prophylaxis or treatment of cystoceles or enteroceles, comprising increasing an intravesical pressure after bilateral transection of the hypogastric nerve and pudendal nerve of an animal, and measuring a closure response in the urethra, the rectum or the vagina observed at that time.