| 英文名称: | | 5-pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(o-hydroxyphenyl)- d | | iethyl ester, trifluoromethanesulfonate (ester) | | 3,5-pyridinedicarboxylic acid,1,4-dihydro-2,6-dimethyl-4-(o-hydroxyphenyl)-, diethyl ester,trifluoromethanesulfonate (ester) |
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