英文名称: | 5-b)carbazole-1,4(6h)-dione, 5-ethyl-2,3-dihydro-6-methyl-1h-pyridazino( | 5-ethyl-2,3-dihydro-6-methyl-1h-pyridazino(4,5-b)carbazole-1,4(6h)-dione | dioxo-1,4 ethyl-5 methyl-6 tetrahydro-1,2,3,4 pyridazino(4,5-b)carbazole | 5-b)carbazole-1,4(6h)-dione,5-ethyl-2,3-dihydro-6-methyl-1h-pyridazino( |
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