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(1987)8-methoxy-3,5-dihydro-pyridazino[4,5-b]indol-4-one
8-Methoxy-3,5-dihydro-pyridazino[4,5-b]indole-4-thione
3-formyl-5-methoxy-indole-2-carboxylic acid ethyl ester
ethyl 5-methoxy-1H-indole-2-carboxylate
4-hydrazino-8-methoxy-5H-pyridazino<4,5-b>indole