1,2-Dihydro-1-thiocarbonylpyridazino<4,5-b>quinoxaline

苯并呋咱

3-甲基-2-喹喔啉羧酸乙酯 1,4-二氧化物

3H-pyridazino[4,5-b]quinoxalin-4-one

3-dichloromethyl-2-quinoxalinecarboxylic acid ethyl ester 1,4-dioxide