4-phenylbutane-1-sulfonic acid

4-(5-methoxy-2,3,3-trimethylindol-1-ium-1-yl)butane-1-sulfonate

1-辛烷磺酸

4-(5-methoxy-2-methyl-1,3-benzoselenazol-3-ium-3-yl)butane-1-sulfonate