000412: InChI=1.12Beta/C18H20N2O2/c1-14(20-13-16-7-3-5-9-18(16)22)10-11-19-12-15-6-2-4-8-17(15)21/h1H3,2-9H,10-11H2,12-14H,21-22H/b19-12-,20-13+/t14-/m0/s1