| http://www.w3.org/ns/prov#value | - From SWIM's understanding, there is non-synthetic (i.e. the 3 which come directly from the poppy: codeine, morphine, and thebaine), semi-synthetic (i.e. heroin or hydromorphone, which are basically very lipid-soluble delivery molecules for morphine, or hydrocodone, same thing for codeine), and completely synthetic, such as fentanyl or buprenorphine, where they completely alter the opiate/oid molec
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