生合成:2 Tyrosine → Dopamine + p-hydroxyphenylacetaldehyde →Mannich reaction → (S)-Norcocalurine →Methylation→ (S)-Coclaurine → (S)-Reticuline →Isomeration→ (R)-Reticuline → (R)-Thebaine → Dodeinone → (R)-Codeine → (R)-Morphine
12 Morphine 之結構如下,試問其生合成之前驅物(Precursor)為..-阿摩線上測驗