naphtho,furan,dione
Furan
169276-18-01,3-Isobenzofurandione, hexahydromethyl-, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol, ethyloxirane, hexahydro-1,3-isobenzofurandione and oxirane
92137-77-4Oxiranecarboxylic acid, 2,3-dimethyl-,2,3,3a,4,5,6,7,8,9,11a-decahydro-7-hydroxy-6,10-dimethyl-3-methylene-2,5-dioxocyclodeca[b]furan-4-yl ester