N-(2-氯乙基)-4-硝基-苯甲酰胺

3,4-dimethylthiophene 1,1-dioxide

3-hydroxyfuran-2,5-dione,pyridine

1-heptylpyridin-1-ium,chloride

4-pyridin-1-ium-1-ylbenzene-1,2-diol,bromide