4-phenyl-3,4,5,6,7,8-hexahydro-1H-isothiochromene 2,2-dioxide

2-methoxy-2-methylsulfonyl-1-phenylethanone

2-ethoxy-2-methylsulfonyl-1-phenylethanone

2-methylsulfonyl-3-phenyl-5,6-dihydroimidazo[2,1-b][1,3]thiazole

苯甲酸