24177
Their structures were elucidated as 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 ( 29 ) - diene - 28 - oic acid 28 - beta - d - glucopyranoside ( 1 ) , 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid 28 - beta - d - glucopyranoside ( 2 ) , and 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid ( 3 ) on the basis of the spectral and chemical methods .
 Chemical: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 ( 29 ) - diene - 28 - oic acid 28 - beta - d - glucopyranoside; Chemical: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid 28 - beta - d - glucopyranoside; Chemical: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid
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: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 ( 29 ) - diene - 28 - oic acid 28 - beta - d - glucopyranoside; Chemical: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid 28 - beta - d - glucopyranoside; Chemical: 3 beta - [ ( 2 - O - sulfo - beta - d - xylopyranosyl ) oxy ] urs - 12 , 19 - diene - 28 - oic acid