MAKE A MEME View Large Image Rosso pirogallolo struttura.PNG Pyrogallol red structure formula drawn by Paginazero 2006-01-31 own assumed Paginazero Triarylmethane dyes Sulfonephthaleins
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Keywords: Rosso pirogallolo struttura.PNG Pyrogallol red structure formula drawn by Paginazero 2006-01-31 own assumed Paginazero Triarylmethane dyes Sulfonephthaleins
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