HMDB0252089
     RDKit          3D
Acetylene
  4  3  0  0  0  0  0  0  0  0999 V2000
   -0.5783   -0.0007    0.1486 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.5693    0.0015   -0.2227 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5839    0.0022    0.4867 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.5929   -0.0030   -0.5546 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  3  0
  1  3  1  0
  2  4  1  0
M  END