You will be shown a question, followed by excerpts from biomedical research papers. Please answer the question based on the provided context. Do not include any text in your response other than the answer.

Question: What is Desomorphine?

Context: Desomorphine is the semi-synthetic opioid claimed to be the main component of krokodil
Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin
"Krokodil" is the street name for the semi-synthetic opioid derivative desomorphine.
Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin.
ince Soviet period the most popular injective narcotics have been opioids: home-made opium, heroine, buprenorphine and home-made desomorphine ("Krokodile") replacing each other on the black market.
ous increase in the number of addicted individuals since then. The psychoactive core agent of Krokodil is desomorphine, an opioid-analogon that can be manufactured by boiling tablets containing codeine and other ingredients
The core agent of "Krokodil" is desomorphine, an opioid-analogue that can be easily and cheaply manufactured by oneself.
Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin Desomorphine is the semi-synthetic opioid claimed to be the main component of krokodil Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin Desomorphine is the semi-synthetic opioid claimed to be the main component of krokodil "Krokodil" is the street name for the homemade injectable mixture that has been used as a cheap substitute for heroin. Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin. Desomorphine is the semi-synthetic opioid claimed to be the main component of krokodil Desomorphine is an opioid misused as "crocodile", a cheaper alternative to heroin Desomorphine is an opioid drug which is often synthsised using a combination of readily available ingredients and is often available on the "street" as a cheaper alternative to heroin.