Talk:Tetrapyrrole

Latest comment: 5 years ago by Eaberry in topic chlorin has four 1-carbon bridges?

chlorin has four 1-carbon bridges?

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Cyclic tetrapyrroles having four one-carbon bridges include:
chlorins are listed here but the structure shown for chlorin of chlorophyll a seems to have three 1-carbon bridges and one direct bond!Eaberry (talk) 17:27, 6 March 2019 (UTC)Reply