1H-indolo[3,2,1-de][1,5]naphthyridin-6-ol, 2,3,3a,4,5,6-hexahydro-3-(phenylmethyl)-, (3aS,6S)- InChI=1/C21H22N2O/c24-20-11-10-19-21-17(16-8-4-5-9-18(16)23(20)21)12-13-22(19)14-15-6-2-1-3-7-15/h1-9,19-20,24H,10-14H2/t19-,20-/m0/s rel-(3aR,6R)-3-benzyl-2,3,3a,4,5,6-hexahydro-1H-indolo[3,2,1-de]-1,5-naphthyridin-6-ol