由2个异戊二烯单元聚合而成的是()。A.单萜B.倍半萜C.二萜D.三萜E.四萜

作者: tihaiku 人气: - 评论: 0
问题 由2个异戊二烯单元聚合而成的是()。
选项

A.单萜
B.倍半萜
C.二萜
D.三萜
E.四萜

答案 A
解析 本组题考查要点是“萜类的分类”。萜类的分类及存在形式参见下表:

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  • 消息: [程序异常] : MISCONF Redis is configured to save RDB snapshots, but it's currently unable to persist to disk. Commands that may modify the data set are disabled, because this instance is configured to report errors during writes if RDB snapshotting fails (stop-writes-on-bgsave-error option). Please check the Redis logs for details about the RDB error.
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