1-(beta-Phenylethyl)triazolo(4,5-c)pyridine hydrochloride 16870-86-3 1H-1,2,3-Triazolo(4,5-c)pyridine, 1-(2-phenylethyl)-, monohydrochloride (9CI) 1H-v-Triazolo(4,5-c)pyridine, 1-phenethyl-, monohydrochloride PCA9