100997-67-9 2(1H)-Pyrimidinone, 4-(2-(2-hydroxyethyl)hydrazino)-1-(beta-D-ribofuranosyl)- 4-(2-(2-Hydroxyethyl)hydrazino)-1-(beta-D-ribofuranosyl)-2(1H)-pyrimidinone CCRIS 2531 N'-(2-Hydroxyethyl)-N(sup 4)-aminocytidine N-((2-Hydroxyethyl)amino)cytidine