Aconiazide (Isonicophen) is a orally active hydrazone derivative of isoniazid, and can be used for study of tuberculosis[1].
References
[1] KENNETH L. DOOLEY, et al. Fourteen-Day , Repeat-Dose Toxicity Evaluation of Aconiazide _- Administered Orally to Male and Female Fischer 344 Rats. JOURNAL OF THE AMERICAN COLLEGE OF TOXICOLOGY Vdume 12, Number 4, 1993