InChI=1/C9H15NO4/c11-6-10-8(9(12)13)4-7-2-1-3-14-5-7/h6-8H,1-5H2,(H,10,11)(H,12,13)/p-1/t7-,8+/m1/s1/fC9H14NO4/h10H/q-1 B174536DB7513384