InChI=1/C20H21N5O5/c1-21-18-15-19(25(10-22-15)20-17(29)16(28)13(9-26)30-20)24-14(23-18)8-7-12(27)11-5-3-2-4-6-11/h2-6,10,12-13,16-17,20,26-29H,9H2,1H3,(H,21,23,24)/t12-,13+,16+,17+,20+/m0/s1/f/h21H 0B3F19DC28811754