InChI=1/C21H32N4O3/c1-15-9-11-25(12-10-15)14-16-5-7-17(8-6-16)23-20(28)19(27)22-13-18(26)24-21(2,3)4/h5-8,15H,9-14H2,1-4H3,(H,22,27)(H,23,28)(H,24,26)/p+1/fC21H33N4O3/h22-25H/q+1 6A5F2C7176A8EED6