HMDB0244159 RDKit 3D 1,3-Butadiyne 6 5 0 0 0 0 0 0 0 0999 V2000 1.8937 0.0032 0.1178 C 0 0 0 0 0 0 0 0 0 0 0 0 0.6950 -0.0045 -0.1055 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.6976 0.0026 -0.3515 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.8871 -0.0098 -0.5684 C 0 0 0 0 0 0 0 0 0 0 0 0 2.9395 0.0168 0.3143 H 0 0 0 0 0 0 0 0 0 0 0 0 -2.9434 -0.0083 -0.7668 H 0 0 0 0 0 0 0 0 0 0 0 0 1 2 3 0 2 3 1 0 3 4 3 0 1 5 1 0 4 6 1 0 M END