4 3 0 0000 0 0 0 0 0999 V2000 0.0000 -1.9950 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 1.1518 -1.3292 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 2.3037 -1.9950 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 1.1518 0.0000 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 2 4 2 0 M CHG 1 3 -1 M END > InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/p-1 > QTBSBXVTEAMEQO-UHFFFAOYSA-M > 1/1/N:1,2,3,4/E:(3,4)/rA:4nCCO-O/rB:s1;s2;d2;/rC:0,-1.995,0;1.1518,-1.3292,0;2.3037,-1.995,0;1.1518,0,0; > C2 H3 O2 > 59.04402 > CC(=O)[O-] > 170 $$$$