2-{4-[(4-甲基苯基)磺酰基]哌嗪}-1-乙醇

1-(甲苯-4-磺酰基)哌嗪

(9ci)-1-(2-吡啶)-1H-苯并咪唑

methyl 2,4-bis-(4-methylphenyl)sulfonyloxybenzoate