Excuse me.

I find the two different chlorophyll atom from

     1.http://www.nyu.edu/pages/mathmol/library/photo/

     2.http://www.worldofmolecules.com/3D/chlorophyll_3d.htm

Please refer to the attached files.

I don't know which is the correct one.

Please help me to differentiate .

Thank you very much.