TETRAPYRROLE is validvalid

a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring, as in chlorophyll

175,989 of 196,601 in NWL2023·also valid in CSW24

a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring, as in chlorophyll

247,895 of 280,887 in CSW24·also valid in NWL2023

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