This test checks if Fischer projection exist
fischer_projection

  -INDIGO-01000000002D

  5  4  0  0  0  0  0  0  0  0999 V2000
   -9.0824    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -9.0824    1.8857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -8.4342    1.1270    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -9.0824    0.3462    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -9.7748    1.1270    0.0000 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  1  5  1  0  0  0  0
M  END

Possible Fischer projection is found
no_fischer_projection

  -INDIGO-01000000002D

  5  4  0  0  0  0  0  0  0  0999 V2000
   -9.0824    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -9.0824    1.8857    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -8.3237    0.6188    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -9.4138    0.1694    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -9.9074    1.0607    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0  0  0  0
  1  3  1  0  0  0  0
  1  4  1  0  0  0  0
  1  5  1  0  0  0  0
M  END

No Ficsher projection is found