3081
Metformin was injected intraperitoneally in dose of 200mg / kg along with alternate - day PTZ .
 Chemical: Metformin; Chemical: PTZ
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Metformin; Chemical: PTZ