1-hydroxy-1-[(4-methylphenyl)sulfonylmethyl]-3-phenylurea

3-(4-methylphenyl)sulfonylpropanal

4-甲苯磺酰吗啉

3-对甲苯磺酰基丙烷-1,2-二醇

1-对甲苯磺酰吡咯烷