InChI=1/C21H30N2O2/c1-11-3-17(24)4-12(2)18(11)10-19(22)21(25)23-20-15-6-13-5-14(8-15)9-16(20)7-13/h3-4,13-16,19-20,24H,5-10,22H2,1-2H3,(H,23,25)/t13?,14?,15?,16?,19-,20?/m0/s1/f/h23H 6143E338419B4279