InChI=1/C8H15NO4/c10-4-1-2-9-3-5(11)7(12)8(13)6(4)9/h4-8,10-13H,1-3H2/p+1/t4-,5+,6-,7-,8-/m1/s1/fC8H16NO4/h9H/q+1 4F048AB0193E5E8A