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(2007/10/03)Phosphoric acid 4-tert-butyl-3-oxo-3,4-dihydro-quinoxalin-2-yl ester diethyl ester
5-tert-Butyl-3-(4-methoxy-phenyl)-5H-imidazo[1,5-a]quinoxalin-4-one
1-tert-butyl-1,2,3,4-tetrahydro-2,3-dioxo-quinoxaline
4-methoxy-benzylamine
N-(tert-butyl)-2-nitroaniline