HMDB0256308
     RDKit          3D
Perchloric acid
  6  5  0  0  0  0  0  0  0  0999 V2000
   -0.6653    1.3688   -0.9060 O   0  0  0  0  0  1  0  0  0  0  0  0
   -0.3523   -0.0009    0.0277 Cl  0  0  0  0  0  4  0  0  0  0  0  0
   -0.8523   -1.3663   -0.8742 O   0  0  0  0  0  1  0  0  0  0  0  0
   -1.2931    0.1063    1.4624 O   0  0  0  0  0  1  0  0  0  0  0  0
    1.2616   -0.1205    0.5128 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.9014    0.0126   -0.2227 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  2  4  1  0
  2  5  1  0
  5  6  1  0
M  CHG  4   1  -1   2   3   3  -1   4  -1
M  END