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Given a scientific passage and an answer, generate a question for the given answer.

Passage: Neutral amines are weak bases, because the lone pair on nitrogen can act as a proton acceptor. Many smaller amines have very strong and offensive odors. For example, the aptly-named compounds cadaverine and putrescine are foul-smelling amines, formed as a part of the decay process after death. Answer: cadaverine and putrescine
Output:
What are the names of foul-smelling amines, formed as a part of the decay process after death?