InChI=1S/C3H2O2/c1-2-3(4)5/h1H,(H,4,5)
AuxInfo=1/1/N:1,2,3,4,5/E:(4,5)/rA:7nCCCOOHH/rB:t1;s2;s3;d3;s1;s4;/rC:-1.646,-.2634,0;-.4518,-.2694,0;.8134,-.2607,0;1.426,.7981,0;1.4284,-1.3147,0;-2.5684,-.2589,0;.9984,1.569,0;