10582
X - ray absorption near edge structure spectroscopy to resolve the in vivo chemistry of the redox - active indazolium trans - [ Tetrachlorobis ( 1H - indazole ) ruthenate ( III ) ] ( KP1019 ) .
 indazolium trans - [ Tetrachlorobis ( 1H - indazole ) ruthenate ( III ) ], KP1019
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 indazolium trans - [ Tetrachlorobis ( 1H - indazole ) ruthenate ( III ) ], KP1019