450 HH HARKINR AND I-€. I,. LOCHTE Vol. 46 ... 5. The probable structure of the homo-isophorone has been discussed. ( C~H~)~C=C(CHS) COCzHa. ... [CONTRIBUTION FROM THE CHEMICAL ABORATORY OF THE UNIVERSITY OF TEXAS] SYMMETRICAL DICY CLOHEXYL HYDRAZINE AND RELATED COMPOUNDS BY HH HARKINS' AND H. L. LOCHTE RECEIVED OCTOBBR 19, 1923 Kizhner reported that he was able to reduce cyclohexylidene-azine by sodium in ...