Linker_00025.sdf
  ChemDraw06292420382D

  0  0  0     0  0              0 V3000
M  V30 BEGIN CTAB
M  V30 COUNTS 5 4 0 0 0
M  V30 BEGIN ATOM
M  V30 1 R -1.071675 -0.618750 0.000000 0
M  V30 2 C -0.357225 -0.206250 0.000000 0
M  V30 3 O 0.357225 -0.618750 0.000000 0
M  V30 4 O -0.357225 0.618750 0.000000 0
M  V30 5 R 1.071675 -0.206250 0.000000 0
M  V30 END ATOM
M  V30 BEGIN BOND
M  V30 1 1 1 2
M  V30 2 1 2 3
M  V30 3 2 2 4
M  V30 4 1 3 5
M  V30 END BOND
M  V30 END CTAB
M  END
$$$$
