4-bromo-2-[5-bromo-2-(methoxymethoxy)phenyl]-1-(methoxymethoxy)benzene

diethyl 2-bromo-2-(bromomethyl)propanedioate

粪卟啉I

1-chloro-5-methoxy-3-methylpent-2-ene

(3-chloro-3-methyl-pent-4-enyl)-methyl ether