2-butyne-1,4-diol http://gmd-dev.mpimp-golm.mpg.de/search.aspx?query=694d59d5-4d7e-4b6c-833a-373f3b767114 6 5 0 0 0 1 V2000 0.0000 1.6225 0.0000 O 0 0 0 0 0 0 0 0 0 0.5070 0.7605 0.0000 C 0 0 0 0 0 0 0 0 0 1.5211 0.8112 0.0000 C 0 0 0 0 0 0 0 0 0 2.5351 0.8112 0.0000 C 0 0 0 0 0 0 0 0 0 3.5491 0.8112 0.0000 C 0 0 0 0 0 0 0 0 0 4.0561 0.0000 0.0000 O 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 2 3 1 0 0 0 3 4 3 0 0 0 4 5 1 0 0 0 5 6 1 0 0 0 M END