9933
Since the blocking effect of Cramb816 on calcium currents has not been previously reported in detail , we further pharmacologically isolated the two main fractions of HVA Ca ( 2 + ) channels in neurons and investigated the Cramb816 effect on them .
 Chemical: Cramb816; Chemical: calcium; Chemical: Ca ( 2 + ); Chemical: Cramb816
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: Cramb816; Chemical: calcium; Chemical: Ca ( 2 + ); Chemical: Cramb816