InChI=1/C23H13NS/c1-2-6-15-14(5-1)9-10-17-16(15)11-12-19-22(17)23-18-7-3-4-8-20(18)25-21(23)13-24-19/h1-13 [1]benzothieno[2,3-c]naphtho[2,1-f]quinoline