2-isopropenyl-2-methylspiro[cyclopropane-1,5'-pyrido[3',2':4,5]cyclopenta[1,2-b]pyridine] (non-preferred name) InChI=1/C17H16N2/c1-11(2)16(3)10-17(16)12-6-4-8-18-14(12)15-13(17)7-5-9-19-15/h4-9H,1,10H2,2-3H