英文名称: | furo(3,2-b)(1,8)naphthyridine-7-carboxylic acid, 2,3,5,8-tetrahydro-5-ethyl-8-o | 2,3,5,8-tetrahydro-5-ethyl-8-oxofuro(3,2-b)(1,8)naphthyridine-7-carboxyl ic a | 5-aethyl-8-oxo-2,3,5,8-tetrahydrofuro(3,2-b)(1,8)naphthyridin-7-carbonsa eure | 5-ethyl-2,3,5,8-tetrahydro-8-oxofuro(3,2-b)(1,8)naphthyridine-7-carboxyl ic a | 2-b)(1,8)naphthyridine-7-carboxylic acid,2,3,5,8-tetrahydro-5-ethyl-8-oxo-furo( |
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