InChI=1/C12H21N3O4/c1-8(9(16)14-11(19)13-3)15-6-4-5-12(2,7-15)10(17)18/h8H,4-7H2,1-3H3,(H,17,18)(H2,13,14,16,19)/t8-,12+/m0/s1/f/h13-15H 7E84F190E054CC76