| 英文名称: | | 3-pyridinecarboxylic acid, 1,4,5,6-tetrahydro-5-cyano-2-methyl-4-(4-nitrophenyl | | nicotinic acid, 1,4,5,6-tetrahydro-5-cyano-2-methyl-4-(p-nitrophenyl)-6-thiox | | 1,4,5,6-tetrahydro-5-cyano-2-methyl-4-(4-nitrophenyl)-6- thioxo-3-pyridinecarboxylic aciethyl ester |
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