An azodicarboxylate is a salt or ester of azodicarboxylic acid.

Yes diethyl can be found in antifreeze. Diethyl is also found in paint removers. Diethyl is also known as ether.

ibuprofen is soluble in diethyl ether

Diethyl maleate will add iodine across the double bond, resulting in the formation of diethyl iodomaleate as the product. This reaction is an example of an addition reaction in organic chemistry.

Diethyl ether does not dissove in ether at room temperature