OXALATE ION non-polymer HETAI C2 O4 -2 1999-07-08 2011-06-04 N REL 88.019 OXL N N 1DWK RCSB C1 C 0 1 N N N -23.053 -14.579 39.952 0.747 0.000 0.002 C1 OXL 1 C2 C 0 1 N N N -23.330 -13.308 40.751 -0.747 0.000 0.000 C2 OXL 2 O1 O 0 1 N N N -23.095 -15.668 40.620 1.385 -1.105 0.001 O1 OXL 3 O2 O 0 1 N N N -23.166 -12.011 40.608 -1.385 -1.105 -0.002 O2 OXL 4 O3 O -1 1 N N N -22.878 -14.885 38.709 1.385 1.105 -0.002 O3 OXL 5 O4 O -1 1 N N N -23.663 -13.539 42.016 -1.385 1.105 0.001 O4 OXL 6 sing N N 1 doub N N 2 sing N N 3 doub N N 4 sing N N 5 [O-]C(=O)C([O-])=O [O-]C(=O)C([O-])=O [O-]C(=O)C([O-])=O C(=O)(C(=O)[O-])[O-] C(=O)(C(=O)[O-])[O-] InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)/p-2 MUBZPKHOEPUJKR-UHFFFAOYSA-L ethanedioate ethanedioate RCSB RCSB