| CHEM006562 | 2-METHYL-4,5-DIHYDROFURAN-3-THIOL CAS26486-13-5 | C5H8OS monoisotopic mass116.030 Avg mass116.181 | | |
| CHEM006757 | 2-METHYL-3-THIOACETOXY-4,5-DIHYDROFURAN CAS26486-14-6 | C7H10O2S monoisotopic mass158.040 Avg mass158.218 | | |
| CHEM009509 | Furan, 2,3-dihydro- CAS1191-99-7 | C4H6O monoisotopic mass70.042 Avg mass70.091 | | |
| CHEM010589 | 2,5-Dihydrofuran CAS1708-29-8 | C4H6O monoisotopic mass70.042 Avg mass70.091 | | |
| CHEM025946 | 4,5-Dihydro-8,9-dehydrotheaspirone CASNot Available | C13H20O2 monoisotopic mass208.146 Avg mass208.297 | | |
| CHEM029878 | Isospirene CAS71078-31-4 | C13H20O monoisotopic mass192.151 Avg mass192.297 | | |
| CHEM029879 | Etaspirene CAS79893-63-3 | C14H22O monoisotopic mass206.167 Avg mass206.324 | | |
| CHEM029923 | Genipic acid CAS6902-76-7 | C9H12O4 monoisotopic mass184.074 Avg mass184.189 | | |
| CHEM031235 | xi-2,3-Dihydro-3-methylfuran CASNot Available | C5H8O monoisotopic mass84.058 Avg mass84.116 | | |
| CHEM032991 | 3,3'-Dithiobis[4,5-dihydro-2-methylfuran] CAS85196-66-3 | C10H14O2S2 monoisotopic mass230.044 Avg mass230.347 | | |
| CHEM033745 | 2,3-Dihydro-4-methylfuran CAS34314-83-5 | C5H8O monoisotopic mass84.058 Avg mass84.116 | | |
| CHEM057265 | Furan, 2,5-dihydro-2,5-dimethoxy- CAS332-77-4 | C6H10O3 monoisotopic mass130.063 Avg mass130.143 | | |
| CHEM062666 | 2,6,9,10-Tetramethyl-1-oxaspiro[4.5]deca-3,6-diene CASNot Available | C13H20O1 monoisotopic mass192.151 Avg mass192.302 | | |
| CHEM063186 | 1-Oxaspiro[4,5]deca-3,6-diene,6-ethyl-2,10,10-trimethyl- CASNot Available | C14H22O1 monoisotopic mass206.167 Avg mass206.329 | | |
| CHEM065199 | 2,3-Dihydro-5-methylfuran CAS1487-15-6 | C5H8O1 monoisotopic mass84.058 Avg mass84.118 | | |
| CHEM068027 | Ethyl 2-amino-4,5-dihydro-3-furoate CAS29108-09-6 | C7H11N1O3 monoisotopic mass157.074 Avg mass157.169 | | |
| CHEM091438 | 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]deca-3,6-diene CASNot Available | C13H20O monoisotopic mass192.151 Avg mass192.302 | | |
| CHEM124678 | (Z)-a-(methoxyimino)furoic acid, sodium salt CASNot Available | C6H7N1O4 monoisotopic mass157.038 Avg massNot Available | | |
| CHEM138003 | 2H-Cyclopropa[g]benzofuran, 4,5,5a,6,6a,6b-hexahydro-4,4,6b-trimethyl-2-(1-methylethenyl)- CAS102681-49-2 | Not Available monoisotopic mass218.167 Avg massNot Available | | |
| CHEM168726 | 5-tert-butyl-2-methyl-5-propyl-2h-furan CASNot Available | C12H22O monoisotopic mass182.167 Avg mass182.300 | | |
| CHEM178898 | [4-[(e)-3-[(2-hydroxy-5-oxocyclopenten-1-yl)amino]-3-oxoprop-1-enyl]-2,3-dihydrofuran-2-yl] acetate CASNot Available | C14H15NO6 monoisotopic mass293.090 Avg mass293.270 | | |