24246
Tryptanthrin , an indoloquinazoline alkaloid , was first obtained by sublimation of natural indigo and later isolated from the culture of fungus Candida lipolytica and a variety of other natural sources .
 Chemical: Tryptanthrin; Chemical: indoloquinazoline alkaloid
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: Tryptanthrin; Chemical: indoloquinazoline alkaloid