InChI=1/C21H27N3O2/c1-23-15-18(6-9-21(23)25)22-17-10-12-24(13-11-17)19-7-4-16(5-8-19)20-3-2-14-26-20/h2-5,7-8,14,17-18,22H,6,9-13,15H2,1H3/p+1/t18-/m0/s1/fC21H28N3O2/h22H/q+1 7C5AF8C190E61D88