Template talk:Tetrapyrroles

phytochromobilin
I would like to add phytochromobilin to this template. Can someone help? Thanks. --kupirijo (talk) 14:49, 20 April 2010 (UTC)

Pterobilin
I’m not a chemist. Can someone figure out where on this template to place Pterobilin? --awkwafaba (📥) 15:17, 9 June 2021 (UTC)