溴丙烷

6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone

5-(1,2-diaza-1-t-butylbutadien-4-ylidene)-2,2-dimethyl-1,3-dioxan-4,6-dione

6-酮-1,6-二氢哒嗪-4-羧酸

6-oxo-1,6-dihydro-pyridazine-3,4-dicarboxylic acid