p. 835 - 840
(2007/10/03)2-N-(p-toluenesulfonyl)amide-3-benzyl-5-(4-methoxyphenyl)-pyrazine
2-N-(p-toluenesulfonyl)amide-3-benzyl-5-phenyl-pyrazine
N-(3-benzyl-5-hydroxy-pyrazin-2-yl)-4-methyl-benzenesulfonamide
3-benzyl-piperazine-2,5-dione 2-oxime
5-amino-6-benzyl-3,6-dihydro-1H-pyrazin-2-one