pyrroporphyrin
noun
pyr·ro·porphyrin
¦pi(ˌ)rō+
: a dark red crystalline pigment C32H36N4O2 with a violet metallic luster that is the lower homologue of phylloporphyrin and that differs from most porphyrins in being a hepta-substituted derivative of porphin rather than an octa-substituted one
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“Pyrroporphyrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrroporphyrin. Accessed 22 Nov. 2024.
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