1,1-diphenylethane-1,2-diol

[1,3]thiazolo[3,2-a]pyridin-4-ium-3-olate

(4-溴-2-甲基苯磺酰基)-乙酸

6-methylsulfonyl-3H-1,3-benzoxazol-2-one

(4-叔丁基苯基)硫代]乙酸