13567
A divergent approach to the synthesis of the yohimbinoid alkaloids venenatine and alstovenine .
 Chemical: yohimbinoid alkaloids; Chemical: venenatine; Chemical: alstovenine
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: yohimbinoid alkaloids; Chemical: venenatine; Chemical: alstovenine