hydrazone

noun
hy·​dra·​zone | \ ˈhī-drə-ˌzōn How to pronounce hydrazone (audio) \

Medical Definition of hydrazone

: any of a class of compounds containing the group >C=NNHR formed by the action of hydrazine or a substituted hydrazine (as phenylhydrazine) on a compound containing a carbonyl group (as an aldehyde or ketone)