20672
Chemical investigation of n - butanol fraction afforded alpha - amyrin 3 - O - glucopyranoside ( 1 ) , patuletin 7 - O - glucopyranoside ( 2 ) , myricitrin ( 3 ) and a new oleanane triterpene saponin derivative ( 4 ) , sophradiol 3 - O - alpha - L - ( 1 ) C4 - rhamnopyranosyl - ( 1 ' ' ' --> 4 ' ' ) - O - beta - D - ( 4 ) C1 - galactopyranosyl ( 1 ' ' --> 6 ' ) - O - beta - D - ( 4 ) C1 - glucopyranoside .
 Chemical: n - butanol; Chemical: alpha - amyrin 3 - O - glucopyranoside; Chemical: patuletin 7 - O - glucopyranoside; Chemical: myricitrin; Chemical: oleanane triterpene saponin; Chemical: sophradiol 3 - O - alpha - L - ( 1 ) C4 - rhamnopyranosyl - ( 1 ' ' ' --> 4 ' ' ) - O - beta - D - ( 4 ) C1 - galactopyranosyl ( 1 ' ' --> 6 ' ) - O - beta - D - ( 4 ) C1 - glucopyranoside
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: n - butanol; Chemical: alpha - amyrin 3 - O - glucopyranoside; Chemical: patuletin 7 - O - glucopyranoside; Chemical: myricitrin; Chemical: oleanane triterpene saponin; Chemical: sophradiol 3 - O - alpha - L - ( 1 ) C4 - rhamnopyranosyl - ( 1 ' ' ' --> 4 ' ' ) - O - beta - D - ( 4 ) C1 - galactopyranosyl ( 1 ' ' --> 6 ' ) - O - beta - D - ( 4 ) C1 - glucopyranoside