Determination of 3-quinuclidinyl benzilate impurity in clidinium bromide by thin-layer chromatography and single ion monitoring after gas chromatography mass spectrometry

1979 ◽  
Vol 6 (7) ◽  
pp. 271-275 ◽  
Author(s):  
B. J. Millard ◽  
W. R. Benson
2015 ◽  
Vol 72 (4) ◽  
pp. 248-252 ◽  
Author(s):  
Sri A. Febriana ◽  
Erik Zimerson ◽  
Cecilia Svedman ◽  
Winarto Haryadi ◽  
Pieter-Jan Coenraads ◽  
...  

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