3-[4-(4-phenyl-3,6-dihydro-2H-pyridin-1-yl)butyl]-1H-indol-5-ol 112192-04-8 PDSP1_001392 Roxindole [INN] 3-(4-(3,6-Dihydro-4-phenyl-1(2H)-pyridinyl)butyl)-1H-indol-5-ol NCGC00025216-01 Tocris-1559 PDSP2_001376