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This article reviews the dynamic state of anticancer drug development from colchicine semisynthetics and natural colchicine production and briefly discusses colchicine biosynthesis .
 Chemical: colchicine; Chemical: colchicine; Chemical: colchicine
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: colchicine; Chemical: colchicine; Chemical: colchicine