The loss of catalytic activity over time due to factors such as fouling or poisoning.
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diisopropyl-1-(1-benzyl-2-hydroxyethyl)hydrazine-1,2-dicarboxylate
2,6-di-tert-butyl-4-methylphenyl (cyclohexen-3-yl)acetate
TERT-BUTYL ISOCYANIDE
4-(isochroman-1-yl)benzonitrile