SEARCH Articles Figures Tables 1.2- Dihydro-1,2-dihydroxy-naphthalene 1.3- Dihydroxy-2-imino-dihydro 2-Amino-4,5-dihydroxy-4,5-dihydro Dihydro-dihydroxy-methyl-pyranone Furan 2,5-dihydro-2,5-dihydroxy