来曲唑杂质A
来曲唑杂质A(USP)；异来曲唑
Iso Letrozole
来曲唑杂质A(USP)；异来曲唑
Iso Letrozole
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产品编号： CIR820300
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CAS号： 112809-52-6
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分子式：C17H11N5
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分子量：285.3
英文别名：
4,4'-(4H-1,2,4-Triazol-4-ylmethylene)bisbenzonitrile;
SMILES：
NS(C1=CC(C(O)=O)=C(Cl)C=C1NCC1=CC=CO1)(=O)=O
参考文献：
Fleming, F.F., et al.: J. Med. Chem., 53, 7902 (2010),
Isoletrozole is an impurity of Letrozole (L330100). Letrozole impurity A as per USP.
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