1 ZAT 4,4'-diacetyldiphenylurea-bis(guanylhydrazone) 1.000 2 YCF (2e)-N-hydroxy-2-[1-(4-{[(4-{(1e)-1-[2-(N'-hydroxycarbamimidoyl)hydrazinylidene]ethyl}phenyl)carbamoyl]amino}phenyl)ethylidene]hydrazinecarboximidamide 0.824