HCID 842111,2,3,4-테트라히드로-2,3-디옥소퀴녹살린-6-카르복실산1,2,3,4-Tetrahydro-2,3-dioxoquinoxaline-6-carboxylic acid · CAS 14121-55-2 · CID 84211 · C9H6N2O4