InChI=1/C13H18N2O3/c16-10-12-6-3-4-8-14(12)9-11-5-1-2-7-13(11)15(17)18/h1-2,5,7,12,16H,3-4,6,8-10H2/t12-/m0/s1 B24C928DB484BAC1