2 5-dihydroxy-1 4-dithiane solubility July 8, 2019 16 32 64 128 2 5-dihydroxy-1 4-dithiane synthesis 2 5-dihydroxyterephthalic acid solubility 2 5-dihydroxycyclohexa-2 5-diene-1 4-dione 2 5-dihydroxyterephtalic acid