2r 3s 4r 5r 2 3 4 5 6 Pentahydroxyhexanal

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 2R, 3S, 4R, 5R-2,3,4,5,6-pentahydroxyhexanal Stockfoto 2R, 3S, 4R, 5R-2,3,4,5,6-pentahydroxyhexanal