pentamethylenediamine

[ pen-tuh-meth-uh-leen-dahy-uh-meen, -min, -dahy-uh-meen ]
/ ˌpɛn təˈmɛθ ə linˈdaɪ əˌmin, -mɪn, -ˌdaɪ əˈmin /

noun Biochemistry.

Origin of pentamethylenediamine