1,10-diaza-4,7,13,16-tetraoxacyclooctadeca-2,9-dione

1,2-二(2-苄氨基乙氧基)乙烷

1,8-二氨基-3,6-二氧杂辛烷

1,2-二(2-氯乙氧基)乙烷

methyl 2-[2-(2-methoxy-2-oxoethoxy)ethoxy]acetate