Norditerpenoid alkaloids的用法和樣例：
例句
- Strychnine is used to kill rodents and pyrrolizidine alkaloids have significant activity against microbes.
而吡咯里西啶類生物鹼則具有較強的殺菌活性。 - Benzylisoquinoline alkaloids are the major important natural serial alkaloids with diverse structural skeletons.
摘要苄基異喹啉類生物鹼是自然界中很重要的一類生物鹼，數量多，結構類型複雜。
