SMILES: C1CC2=C3CCC(=N3)C=C4C=CC(=CC5=NC(=CC6=CC1=C2N6)C=C5)N4
Description: The molecule is a cyclic tetrapyrrole that consists of porphyrin that has a cyclopentane ring fused to one of the pyrrole rings and the adjacent methine group. The parent of the class of phorbines.