Synonyms: RARECHEM AK MA K053;1,2,3,4-TETRAHYDRO-9H-CARBAZOLE-4-ONE;1,2,3,4-TETRAHYDRO-4H-CARBAZOLE-4-ONE;1,2,3,9-TETRAHYDRO-4H-CARBAZOLE-4-ONE;1,2,3,9-TETRAHYDRO-9[H]-CARBAZOLE-4-ONE;4-OXO-1,2,3,4-TETRAHYDROCARBAZOLE;2,3,9,9A-TETRAHYDRO-1H-CARBAZOL-4(4AH)-ONE;2,3-Dihydro-1H-carbazol-4(9H)-one