InChI=1/C21H28N4O3/c1-14-6-3-4-10-21(14)19(27)25(20(28)23-21)13-18(26)22-16-8-9-17-15(12-16)7-5-11-24(17)2/h8-9,12,14H,3-7,10-11,13H2,1-2H3,(H,22,26)(H,23,28)/t14-,21+/m0/s1/f/h22-23H 18B186A9DBABC32E