2-[(4-nitrophenoxy)methyl]-1,1-dioxo-1,2-benzothiazol-3-one

2-(4-methoxybenzoyl)-1,1-dioxo-1,2-benzothiazol-3-one

邻磺酰胺苯甲酸

2-[[(8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl]oxymethyl]-1,1-dioxo-1,2-benzothiazol-3-one

糖精