InChI=1/C21H30N2/c1-23(2)20-5-3-16(4-6-20)14-22-15-21-8-7-17-9-18(12-21)11-19(10-17)13-21/h3-6,14,17-19H,7-13,15H2,1-2H3/p+1/t17?,18-,19+,21?/fC21H31N2/h22H/q+1 B48542D02C703767