****** Check wrong chiral flag ********
Structure is chiral      = 0
Chiral flag consistency  = 0
3D stereo centetrs exist = 0
Undefined stereo centers exist = 0
****** Check stereogenic center ********
Structure is chiral      = 0
Chiral flag consistency  = 1
3D stereo centetrs exist = 0
Undefined stereo centers exist = 1
****** Check 3D stereo center ********
Structure is chiral      = 1
Chiral flag consistency  = 1
3D stereo centetrs exist = 1
Undefined stereo centers exist = 0