5 4 0 0000 0 0 0 0 0999 V2000 2.3040 -1.3299 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 1.1503 -1.9948 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 2.3040 0.0000 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 1.1503 -3.3247 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0.0000 -1.3299 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 1 3 2 0 2 4 1 0 2 5 1 0 M END > InChI=1S/C4H8O/c1-4(2)3-5/h3-4H,1-2H3 > AMIMRNSIRUDHCM-UHFFFAOYSA-N > 1/0/N:4,5,1,2,3/E:(1,2)/rA:5nCCOCC/rB:s1;d1;s2;s2;/rC:2.304,-1.3299,0;1.1503,-1.9948,0;2.304,0,0;1.1503,-3.3247,0;0,-1.3299,0; > C4 H8 O > 72.10572 > C(=O)C(C)C > 6313 $$$$