Standard InChI: InChI=1S/C13H20N2O9/c1-5(9(16)17)3-7(11(20)21)14-13(24)15-8(12(22)23)4-6(2)10(18)19/h5-8H,3-4H2,1-2H3,(H,16,17)(H,18,19)(H,20,21)(H,22,23)(H2,14,15,24)/t5-,6-,7+,8+/m1/s1
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