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Alternatively , when TMS diazomethane is used as the dipole , the resulting 2 - pyrazoline obtained after desilylation may be reduced with NaCNBH3 to provide the trans azakainate analog exclusively .
 Chemical: TMS diazomethane; Chemical: 2 - pyrazoline; Chemical: NaCNBH3; Chemical: trans azakainate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: TMS diazomethane; Chemical: 2 - pyrazoline; Chemical: NaCNBH3; Chemical: trans azakainate