15923
This is distinct from Rock inhibitors based on non - amino acid derived quinazolinones , where high selectivity against PKA could be obtained . ( 22 ) The inhibitors presented here in some cases possessed sub - nanomolar inhibition of Rock , nanomolar potency in ppMLC cell based assays , low to fair cytochrome P - 450 inhibition , and good human microsomal stability .
 Chemical: amino acid; Chemical: quinazolinones
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: amino acid; Chemical: quinazolinones