1-Benzyl-1,2,3,4-tetrahydronorharman 1H-Pyrido[3,4-b]indole, 1-benzyl-2,3,4,9-tetrahydro- 1H-Pyrido[3,4-b]indole, 2,3,4,9-tetrahydro-1-(phenylmethyl)- 3851-30-7 Benzyltetrahydronorharman Fenoharman NSC172131 Phenoharmane