12779
A new iridoid glycoside , rotunduside ( 1 ) , along with four known iridoid glycosides , 10 - O - p - hydroxybenzoyltheviridoside ( 2 ) , 10 - O - vanilloyltheviridoside ( 3 ) , 6 '' - O - ( trans - p - coumaroyl ) - procumbide ( 4 ) and loganic acid ( 5 ) , was isolated from the rhizomes of Cyperus rotundus L .
 Chemical: iridoid glycoside; Chemical: rotunduside; Chemical: iridoid glycosides; Chemical: 10 - O - p - hydroxybenzoyltheviridoside; Chemical: 10 - O - vanilloyltheviridoside; Chemical: 6 '' - O - ( trans - p - coumaroyl ) - procumbide; Chemical: loganic 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: iridoid glycoside; Chemical: rotunduside; Chemical: iridoid glycosides; Chemical: 10 - O - p - hydroxybenzoyltheviridoside; Chemical: 10 - O - vanilloyltheviridoside; Chemical: 6 '' - O - ( trans - p - coumaroyl ) - procumbide; Chemical: loganic acid