InChI=1/C21H23N5O4/c27-19(16-1-2-17(18(8-16)26(29)30)25-4-3-22-12-25)23-24-20(28)21-9-13-5-14(10-21)7-15(6-13)11-21/h1-4,8,12-15H,5-7,9-11H2,(H,23,27)(H,24,28)/f/h23-24H BB2A9477C896FB4B