1108
Its structure and absolute configurations were established on the basis of spectral data , particularly by the use of 1D NMR , 2D shift - correlated NMR pulse sequences ( ( 1 ) H - ( 1 ) H COSY , HSQC , HMBC and ROESY ) and CD spectra .
 Chemical: ( 1 ) H; Chemical: ( 1 ) H
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: ( 1 ) H; Chemical: ( 1 ) H