1-(1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidin-4-yl)-5-oxopyrrolidine-3-carboxylic acid

methyl 4-[2-(4-fluorophenoxy)propanoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

methyl 4-[(4-ethylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

methyl 4-[2-(3,4-dimethylphenoxy)propanoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

methyl 4-[(4-chloro-3-methylphenoxy)acetyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

methyl 4-[2-(2-fluorophenoxy)butanoyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylate

2-imino-8-methyl-5-oxo-N,1-bis(pyridin-3-ylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide

2-imino-8-methyl-N-(2-morpholin-4-ylethyl)-5-oxo-1-(pyridin-3-ylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide

N-benzyl-2-imino-8-methyl-5-oxo-1-(pyridin-3-ylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide

2-imino-8-methyl-5-oxo-N-(1-phenylethyl)-1-(pyridin-3-ylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide

2-imino-8-methyl-5-oxo-N-(2-phenylethyl)-1-(pyridin-3-ylmethyl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide