3-phenylselanylbut-3-en-2-one

methyl 4-bromo-2,3-dimethoxybenzoate

methyl 3-(methoxycarbonylamino)prop-2-enoate

3-(2-溴乙基)-1-甲基吲哚

3-methyl-4-methylidene-2,2-bis(methylsulfanyl)hexanenitrile