A new N-fatty acyl tryptamine, N-nonadecanoyl-4,5-dihydroxytryptamine (1), was isolated from the stems of Annona atemoya. The structure of the new tryptamine-derived amide was elucidated by chemical and physical evidence.

中文翻译：

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来自 Ananna atemoya 的新 N-脂肪酰基色胺

从番荔枝的茎中分离出一种新的 N-脂肪酰基色胺，即 N-nonadecanoyl-4,5-dihydroxytryptamine (1)。通过化学和物理证据阐明了新的色胺衍生酰胺的结构。