InChI=1/C14H19N3O4/c1-9-7-16(8-14(2,3)21-9)13(18)11-6-10(15)4-5-12(11)17(19)20/h4-6,9H,7-8,15H2,1-3H3/t9-/m0/s1 EE2433AE739170A4