Background:

Nifenazone is a pyrazole drug which can be used in the in the treatment of a variety of rheumatic disorders.

参考文献:
[1]. HART FD, et al. TRIAL OF NIFENAZONE ("THYLIN"). Br Med J. 1964 Jun 13;1(5397):1553-4.
[2]. Bani-Yaseen AD, et al. The solvatochromic, spectral, and geometrical properties of nifenazone: a DFT/TD-DFT and experimental study. Phys Chem Chem Phys. 2014 Aug 7;16(29):15519-26.