3-amino-6-chloro-5-[(3S)-4-[1-[(4-chlorophenyl)methyl]piperidin-4-yl]-3-ethylpiperazin-1-yl]pyrazine-2-carboxamide
3-amino-6-chloro-5-[(3S)-4-[1-[(4-chlorophenyl)methyl]-4-piperidyl]-3-ethyl-piperazin-1-yl]pyrazine-2-carboxamide
3-amino-6-chloro-5-[(3S)-4-[1-[(4-chlorophenyl)methyl]-4-piperidinyl]-3-ethyl-1-piperazinyl]-2-pyrazinecarboxamide
3-amino-6-chloro-5-[(3S)-4-[1-(4-chlorobenzyl)-4-piperidyl]-3-ethyl-piperazin-1-yl]pyrazinamide
3-amino-6-chloro-5-[(3S)-4-[1-[(4-chlorophenyl)methyl]piperidin-4-yl]-3-ethyl-piperazin-1-yl]pyrazine-2-carboxamide