4298
Pharmacological studies on a new dihydrothienopyridine calcium antagonist , S - 312 - d .
 Chemical: dihydrothienopyridine calcium; Chemical: S - 312 - d
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: dihydrothienopyridine calcium; Chemical: S - 312 - d