Chlorocardicin

Formula :
CAS : 95927-71-2 

From Streptomyces sp; structurally related to nocardicin A.

Chlorocruorin

Formula : C33-H32-N4-O5
CAS : 24869-67-8 

Red-green extracellular pigment in polychaete annelids differs from hemoglobin, having a formyl group on the 2 position of the porphyrin ring instead of the vinyl.