002111: InChI=1.12Beta/C21H28N2/c1-5-20(22)21(17(2)16-23(3)4,18-12-8-6-9-13-18)19-14-10-7-11-15-19/h1-4H3,5H2,6-15H,16H2,17H,22H/b22-20+/t17-/m0/s1