1 42V 5-[(E)-(1-methyl-5-oxo-2-thioxoimidazolidin-4-ylidene)methyl]pyridin-2(1h)-one 1.000 2 1TU 4-(3,5-difluoro-4-hydroxybenzyl)-1,2-dimethyl-1h-imidazol-5-ol 0.700 3 38E (5z)-5-(3,5-difluoro-4-hydroxybenzylidene)-2,3-dimethyl-3,5-dihydro-4h-imidazol-4-one 0.700