CCn1c(=O)c2[nH]c(=O)[nH]c2n(CC)c1=O mol11064 0_1 CCn1c(=O)c2[n-]c(=O)[nH]c2n(CC)c1=O mol11064 -1_1 CCn1c(=O)c2[nH]c(=O)[n-]c2n(CC)c1=O mol11064 -1_2