2-(2-butoxyethoxy)ethyl 3-oxobutanoate

2-(2-butoxyethoxy)ethyl benzoate

1-[2-(2-ethoxyethoxy)ethoxy]butane

2-(2-butoxyethoxy)-N,N-bis[2-(2-butoxyethoxy)ethyl]ethanamine

乙二醇单丁醚