英文名称: | dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate | 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylic acid dimethyl ester | dimethyl 3,6-epoxycyclohexa-1,4-diene-1,2-dicarboxylate | 3,6-epoxycyclohexa-1,4-diene-1,2-dicarboxylic acid dimethyl ester |
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