Phosphine oxyde diphényl triméthylbenzoyl-10g
https://www.chemsilico.com/shop/na-n0528-phosphine-oxyde-diphenyl-trimethylbenzoyl-10g-48761
https://www.chemsilico.com/web/image/product.template/48761/image_1920?unique=f6dad7a
Redox mediator and dye precursor.
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