单词 pyrazole 释义 pyrazole Chem.|par-, przl|[ad. G. pyrazol (L. Knorr 1885, in Ber. d. Deut. Chem. Ges. XVIII. 311). f. pyrrol pyrrole with inserted az- (see azo-).]A weakly basic white crystalline solid, CH:CHCH:NNH; any substituted derivative of this....