553-90-2

草酸二甲酯

7508-12-5

2,3-dimethyl-6,7,8,9-tetrahydrobenzo[7]annulen-5-one

7508-31-8

8,9-dimethyl-5,6-dihydro-4H-benzo[1,2]cyclohepta[6,7-b]furan-2,3-dione

7508-13-6

5-(3,4-dimethylphenyl)-5-oxopentanoic acid

7508-31-8

8,9-dimethyl-5,6-dihydro-4H-benzo[1,2]cyclohepta[6,7-b]furan-2,3-dione

35872-49-2

5-(3,4-二甲基苯基)戊酸

7508-31-8

8,9-dimethyl-5,6-dihydro-4H-benzo[1,2]cyclohepta[6,7-b]furan-2,3-dione

95-47-6

邻二甲苯

7508-31-8

8,9-dimethyl-5,6-dihydro-4H-benzo[1,2]cyclohepta[6,7-b]furan-2,3-dione

5205-39-0

戊二酸单乙酯酰氯

7508-31-8

8,9-dimethyl-5,6-dihydro-4H-benzo[1,2]cyclohepta[6,7-b]furan-2,3-dione