InChI=1/C19H22N6O4/c26-8-12-14(27)15(28)18(29-12)25-9-20-13-16(21-11-6-7-11)23-19(24-17(13)25)22-10-4-2-1-3-5-10/h1-5,9,11-12,14-15,18,26-28H,6-8H2,(H2,21,22,23,24)/t12-,14-,15-,18-/m1/s1/f/h21-22H 66FD5909E7670A49