- NOVEL QUINOXALINE DERIVATIVES
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A quinoxalinone derivative of the formula (I): or a pharmaceutically acceptable salt or ester thereof, wherein; ???X is NH, S or the like; ???Y is O or the like; ???the partial structure is, for example, the formula: ???B1, B2, ....., Bn-1 and Bn, (in which n is 4 , 5 or 6) are each independently CH, N or the like; ???B'1, B'2, ....., B'n-1 and B'n (in which n is 4, 5 or 6) are each independently hydrogen or the like; and ???R is hydrogen, lower alkyl or the like.
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Page/Page column 198
(2008/06/13)
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