furan,furo[2,3-b]
Furan
135462-99-6Spiro[furan-2(5H),7'-[2,5]methano[7H]oxireno[3,- 4]cyclopent[1,2-d]oxepin]-4-carboxaldehyde,1'a,1'b,2',3',5',6',6'a,7'a-octahydro-1'b,8'- dihydroxy-3,6'-dimethoxy-6'a-methyl-8'-(1- methylethyl)-3',5-dioxo-,(1'aS,1'bR,2S,2'S,- 5'R,6'S,6'aR,,7'aR,8'R)- 73010-66-93-Methyl-2-butenoic acid [[(3S)-4β-(benzoyloxy)-2,3,3aβ,4,5,7,9aα,9bβ-octahydro-3,6,9-trimethyl-2,7-dioxoazuleno[4,5-b]furan]-3β-yl] ester Furo[2,3-b]
105268-96-011-tert-butyl-1,4b,8-trihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H,5H)-trione - 11-tert-butyl-1,4b-dihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2