Marvin 01280810192D 4 3 0 0 0 0 999 V2000 0.7145 -0.4125 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 -0.7145 -0.4125 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1.4289 0.0000 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 1 4 2 0 0 0 0 2 1 1 0 0 0 0 2 3 1 0 0 0 0 M END > CHEBI:48362 > but-1-ene > A butene with unsaturation at position 1. > 3 > ethylethylene; butene-1; alpha-butylene; alpha-butene; 1-C4H8; 1-butylene; 1-butene > but-1-ene > C4H8 > 56.10632 > 56.06260 > 0 > CCC=C > InChI=1S/C4H8/c1-3-4-2/h3H,1,4H2,2H3 > VXNZUUAINFGPBY-UHFFFAOYSA-N > 1098262 > 106-98-9 > 25205 > 1098262 > 106-98-9 > 106-98-9 > 1-Butene > 24819240 $$$$