英文名称: | 1h,3h-difuro(3,4-b:3',4'-e)pyridine-1,7(4h)-dione, 5,8-dihydro-8-(2-chloro-3-ni | trophenyl)- | 5,8-dihydro-8-(2-chloro-3-nitrophenyl)-1h,3h-difuro(3,4-b:3',4'-e)pyridi ne-1 | ,7(4h)-dione | 3h-difuro(3,4-b:3',4'-e)pyridine-1,7(4h)-dione,5,8-dihydro-8-(2-chloro-3-nitrophenyl)-1 |
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