acetylphenylhydrazine
noun
ace·tyl·phenyl·hy·dra·zine
| \ -ˌfen-ᵊl-ˈhī-drə-ˌzēn, -ˌfēn-
\
\
Medical Definition of acetylphenylhydrazine
: a white crystalline compound C8H10ON2 less toxic than phenylhydrazine and used in the symptomatic treatment of polycythemia