题目内容
甘草次酸的两种结构类型是
2021-10-23
A.5-αH型和5-βH型
B.10-Ach3型和10-Bch3型
C.18-αH型和18-βH型
D.8-Ach3型和8-Bch3型
E.9-aH型和9-βH型
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