英文别名rac-6-Cyano-3-N-methylamino-1,2,3,4-tetrahydrocarbazole; 6-(methylamino)-6,7,8,9-tetrahydro-5H-carbazole-3-carbonitrile; 2,3,4,9-Tetrahydro-3-(methylamino)-1H-carbazole-6-carbonitrile; 1H-Carbazole-6-carbonitrile, 2,3,4,9-tetrahydro-3-(methylamino)-; (6RS)-6-Methylamino-6,7,8,9-tetrahydro-5H-carbazole-3-carbonitrile; Frovatriptan Impurity 10