InChI=1/C9H20N2O2/c1-5-13-11-7-8(12)6-10-9(2,3)4/h7-8,10,12H,5-6H2,1-4H3/p+1/b11-7+/t8-/m1/s1/fC9H21N2O2/h10H/q+1 83895052568CFB47