Coordination complexes with octahedral or sq. planar geometries also can exhibit cis-trans isomerism. This compound has two hydrogen atoms on among its doubly bonded carbon atoms; it fails rule 2 and would not exist as cis and trans isomers. d-Isomeric amino acids have also been found in other living organisms https://myelinoligodendrocyteglyc77543.gynoblog.com/30372134/what-does-cck-a-receptor-inhibitor-1-mean