发明人何建平,杨光,唐晓军. "Method for the Synthesis of 3-Amino-4-(methylamino)benzonitrile" [P]. 中国发明专利, 专利号 CN 109206104 B, 授权公告日 2017-05-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 1014, (10), 7729-7739.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 1851, (5), 4839-4844.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-4-(methylamino)benzonitrile Using HRMS and NMR". Anal. Chem., 2017, 201, (4), 7783-7790.