题目下列不属环烯醚萜苷的是 ( )A. 龙胆苦苷B. 梓苷C. 玄参苷D. 栀子苷E. 苦杏仁苷下列不属环烯醚萜苷的是 ( )A. 龙胆苦苷B. 梓苷C. 玄参苷D. 栀子苷E. 苦杏仁苷题目解答答案E. 苦杏仁苷