2 3 4 5 6 pentahydroxyhexanal glucose July 8, 2019 16 32 64 128 Glucose 6 phosphate 2 3 4 5 6-pentahydroxyhexanal 1 3 4 5 6-pentahydroxyhexan-2-one 2 3 4 5 6 pentahidroxihexanal