11641
Treatment of 3a with 98 % H2SO4 yielded pancordine ( 10 ) , which , upon catalytic hydrogenation , yielded ( +/- ) - wilsonirine .
 Chemical: H2SO4; Chemical: ( +/- ) - wilsonirine
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: H2SO4; Chemical: ( +/- ) - wilsonirine