The isonicotinic acid - pyrazolone light intensity method is currently applied to measure the prussiates in the water.

水中氰化物的测定,目前采用异烟酸———吡唑啉酮光度法。

The two now isonicotnic acid hydrazone and N-oxide isonicotinic acid hydrazone of ethyl furoyl acetates were synthesised. The condensations were carried out in ethyl alochol medium.

合成了呋喃甲酰乙酸乙酯异烟酰腙和呋喃甲酰乙酸乙酯N-氧化异烟酰腙。缩合反应在乙醇中进行。