InChI=1/C21H34N4O4/c1-7-16(25(29)13-26)15(12-14(2)3)19(27)24-18(21(4,5)6)20(28)23-17-10-8-9-11-22-17/h8-11,13-16,18,29H,7,12H2,1-6H3,(H,24,27)(H,22,23,28)/t15-,16+,18-/m1/s1/f/h23-24H 2CAE90CBCA28758A