InChI=1S/C13H20N2O2.H3O4P/c1-3-15(4-2)9-10-17-13(16)11-5-7-12(14)8-6-11;1-5(2,3)4/h5-8H,3-4,9-10,14H2,1-2H3;(H3,1,2,3,4)