英文名称: | 1,4-dihydro-4-(5,6-dihydro-1,4-dioxin-2-yl)-2,6-5-pyridinedicarboxylic acid | 3,5-diethoxycarbonyl-4-(2'-(5',6'-dihydro-p-dioxinyl))-2,6-dimethyl-1,4- dihy | dropyridine | 5-pyridinedicarboxylic acid,1,4-dihydro-4-(5,6-dihydro-1,4-dioxin-2-yl)-2,6-dimethyl- diethylester |
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