@article{19851515, title={Properties of Hydrazones of Hydralazine and Colorimetric Determination of Hydralazine Hydrochloride with p-Dimethylaminocinnamaldehyde Based on Solvent Extraction}, author={KENICHIRO NAKASHIMA and KAHORU SHIMADA and SHUZO AKIYAMA}, journal={CHEMICAL & PHARMACEUTICAL BULLETIN}, volume={33}, number={4}, pages={1515-1521}, year={1985}, doi={10.1248/cpb.33.1515} }