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CAS号: 85700-75-0 英文名称: Betamethasone EP Impurity G 英文同义词: Einecs 288-238-3;Betamethasone EP Impurity G;Betamethasone Impurity 7（Betamethasone EP Impurity G）;16β-Methyl-11α,17,21-trihydroxypregna-1,4-diene-3,20-dione;11α,17,21-Trihydroxy-16β-methylpregna-1,4-diene-3,20-dione;11β.17α.21-Trihydroxy-16α-methyl-pregnadien-(1.4)-dion-(3.20);11alpha,17,21-trihydroxy-16beta-methylpregna-1,4-diene-3,20-dione;Pregna-1,4-diene-3,20-dione, 11,17,21-trihydroxy-16-methyl-, (11α,16β)- 中文名称: 倍他米松EP杂质G 中文同义词: 倍他米松G;倍他米松EP杂质G;倍他米松杂质G(EP) 分子式: C22H30O5 分子量: 374.47