5387
Propylthiouracil ( PTU ) is recommended as a first - line antithyroid drug ( ATD ) during first trimester organogenesis in pregnancy because recent evidence suggests that methimazole ( MMI ) may be associated with congenital anomalies .
 Chemical: Propylthiouracil; Chemical: PTU; Chemical: methimazole; Chemical: MMI
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: Propylthiouracil; Chemical: PTU; Chemical: methimazole; Chemical: MMI