| C07D 489/00 | Heterocyclische Verbindungen, die 4aH-8,9c-Imino-ethano-phenanthro [4,5-b,c,d]furan-Ringsysteme enthalten, z.B. Derivate von [4,5-Epoxy]-morphinan der Formel: [2, 2006.01] | Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems, e.g. derivatives of [4, 5-epoxy]-morphinan of the formula: [2, 2006.01] |
| C07D 489/02 | . | mit in 3- und 6-Stellung gebundenen Sauerstoffatomen, z.B. Morphin, Morphinon [2, 2006.01] |
| . | with oxygen atoms attached in positions 3 and 6, e.g. morphine, morphinone [2, 2006.01] |
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