naphtho,furan,carbonitrile,nitro
Furan
67667-64-5(3aS)-3aβ,4,5,6,6aβ,7,8,9,9aβ,9bα-Decahydro-8β-hydroxy-3,6,9-tris(methylene)azuleno[4,5-b]furan-2(3H)-one 57718-77-1(1aS,4E,7R,7aR,10aS,10bR)-1a-(hydroxymethyl)-5-methyl-8-methylidene-9-oxo-1a,2,3,6,7,7a,8,9,10a,10b-decahydrooxireno[9,10]cyclodeca[1,2-b]furan-7-yl (2E)-4-hydroxy-2-methylbut-2-enoate