Quantum Biology
Magnetoreception
Cryptochrome
Auxochrome

Nitro Compound
Nitrophenol
Picric Acid

https://en.m.wikipedia.org/wiki/Quantum_biology

https://en.m.wikipedia.org/wiki/Magnetoreception

https://en.m.wikipedia.org/wiki/Cryptochrome

https://en.m.wikipedia.org/wiki/Auxochrome

https://en.m.wikipedia.org/wiki/Nitro_compound

https://en.m.wikipedia.org/wiki/Nitrophenol

https://en.m.wikipedia.org/wiki/Picric_acid

..

When it interacts with light particles, cryptochrome goes through a redox reaction, which yields radical pairs both during the photo-reduction and the oxidation.

https://en.m.wikipedia.org/wiki/Chromism

https://en.m.wikipedia.org/wiki/Solvatochromism

https://en.m.wikipedia.org/wiki/Bathochromic_shift

https://en.m.wikipedia.org/wiki/Hypsochromic_shift

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Tritone is the 7th Chromatic note Interval?

7 is the source of chaos theroy.