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5-仲丁基-5-乙基-2-硫代巴比土酸
chem. 5-sec-butyl-5-ethyl-2-thiobarbituric acid
5-仲丁基-5-乙基-2.硫代巴比土酸
chem. 5-sec-butyl-5-ethyl-2-thiobarbituric acid