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benzylisoquinoline

n. (context chemistry English) The structural backbone of many alkaloids with a wide variety of structures, including papaverine, noscapine, codeine, morphine, apomorphine, berberine, protopine and tubocurarine.

Wikipedia
Benzylisoquinoline

1-Benzyl isoquinoline is a chemical compound, and the structural backbone of many alkaloids with a wide variety of structures, including papaverine, noscapine, codeine, morphine, apomorphine, berberine, protopine, tubocurarine, and sanguinarine.