1-methyl-4-(2-phenylselanylhept-6-enylsulfonyl)benzene

1-((phenylseleno)methyl)-2-((p-tolylsulfonyl)methyl)cyclopentane

2,6-bis(phenylseleno)-1,7-bis(p-toluenesulfonyl)heptane

1-methyl-4-[(2-methylidenecyclopentyl)methylsulfonyl]benzene

1,2,6,7-二环氧庚烷