122955-18-4

X 9121 EXP921 Sibopirdine 5H-Cyclopenta[2,1-b:3,4-b']dipyridine, 5,5-bis(4-pyridinylmethyl)- 8,8-bis(pyridin-4-ylmethyl)-3,13-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5,10,12-hexaene