Mrv1572004191601112D 6 5 0 0 0 0 999 V2000 1.2375 0.7145 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.4125 -0.7145 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.8250 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.2375 -0.7145 0.0000 H 0 0 0 0 0 0 0 0 0 0 0 0 -0.4125 0.7145 0.0000 H 0 0 0 0 0 0 0 0 0 0 0 0 3 1 1 0 0 0 0 4 2 1 0 0 0 0 4 3 2 0 0 0 0 5 3 1 0 0 0 0 6 4 1 0 0 0 0 M END > CHEM004123 > chemdb > [H]\C(C)=C(\[H])C > InChI=1S/C4H8/c1-3-4-2/h3-4H,1-2H3/b4-3+ > IAQRGUVFOMOMEM-ONEGZZNKSA-N > C4H8 > 56.108 > 56.062600258 > 0 > 12 > 7.572276811191131 > 1 > 0 > 0 > 0 > (2E)-but-2-ene > 2.32 > 1.880078906 > -1.58 > 0 > 0 > 0 > 0.0 > 21.3228 > 0 > 1 > 1.47e+00 g/l > trans-2-butene > 1 > 2-Butene > 107-01-7 > 2-Butene (Isomer Mixture); 2-Butene, (2E)-; 2-Butene, (E); 2-Butene-trans; Hydrocarbons, C4-unsatd.; Trans-2-butene $$$$