16312
The molecular orientation and dynamics of di - t - butylnitroxide ( DTBN ) and 4 - oxo - 2 , 2 , 6 , 6 - tetramethyl - 1 - piperidinyl - 1 - oxyl ( TEMPONE ) radicals in the organic 1D nanochannels of tris ( o - phenylenedioxy ) cyclotriphosphazene ( TPP ) were investigated by examining inclusion compounds ( ICs ) diluted by the co - inclusion of nonradicals using electron spin resonance ( ESR ) .
 Chemical: di - t - butylnitroxide; Chemical: DTBN; Chemical: 4 - oxo - 2 , 2 , 6 , 6 - tetramethyl - 1 - piperidinyl - 1 - oxyl; Chemical: TEMPONE; Chemical: tris ( o - phenylenedioxy ) cyclotriphosphazene; Chemical: TPP
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: di - t - butylnitroxide; Chemical: DTBN; Chemical: 4 - oxo - 2 , 2 , 6 , 6 - tetramethyl - 1 - piperidinyl - 1 - oxyl; Chemical: TEMPONE; Chemical: tris ( o - phenylenedioxy ) cyclotriphosphazene; Chemical: TPP