InChI=1/C19H24N4O4/c1-12-7-3-4-9-14(12)16(25)22-21-15(24)11-23-17(26)19(20-18(23)27)10-6-5-8-13(19)2/h3-4,7,9,13H,5-6,8,10-11H2,1-2H3,(H,20,27)(H,21,24)(H,22,25)/t13-,19+/m0/s1/f/h20-22H 33875300BF077363