InChI=1S/C4H4N2O2/c7-3-1-2-5-4(8)6-3/h1-2H,(H2,5,6,7,8)
AuxInfo=1/1/N:1,2,3,4,5,6,7,8/rA:12nCCCCNNOOHHHH/rB:d1;s1;;s2s4;s3s4;d3;d4;s1;s2;s5;s6;/rC:-.0482,1.3708,0;1.1373,.7236,0;-1.1828,.6004,0;.0836,-1.3175,0;1.1804,-.5913,0;-1.0873,-.7144,0;-2.2901,1.1182,0;.1604,-2.5355,0;-.0872,2.3639,0;1.9891,1.232,0;2.0125,-1.0189,0;-1.8677,-1.2314,0;