![](//www.lookchem.com/300w/casimage/2011-02-21-21/63197-28-4.gif)
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Benzonitrile, 3-[(2,3-dihydro-1,3-dioxo-2-phenyl-1H-isoindol-4-yl)oxy]-
CAS:63197-28-4
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-21-02/63926-80-7.gif)
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1H-Isoindole-1,3(2H)-dione, 2-(9,10-dihydro-9-oxo-3-acridinyl)-
CAS:63926-80-7
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-21-02/63926-81-8.gif)
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1H-Isoindole-1,3(2H)-dione, 2-(9,10-dihydro-9-oxo-4-acridinyl)-
CAS:63926-81-8
Formula:C21H12N2O3
![](//file1.lookchem.com/300w/synthetic/2022-01-30-10/ec73450a-1ab6-4877-9529-cc3a4be8bb43.png)
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6-aminonaphth[2,3-c]acridine-5,8,14(13H)-trione
CAS:81-73-2
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-02-24-18/439108-77-7.gif)
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4-(1,3-BENZODIOXOL-5-YL)-2-METHYL-5-OXO-5H-INDENO[1,2-B]PYRIDINE-3-CARBONITRILE
CAS:439108-77-7
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-20-19/915142-38-0.gif)
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1H-Benzimidazole-5-carboxylic acid, 2-(9-oxo-9H-fluoren-4-yl)-
CAS:915142-38-0
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-02-24-12/915281-08-2.gif)
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2H-Pyran-3-carbonitrile,
5-(2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-2-imino-6-phenyl-
CAS:915281-08-2
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-20-20/918158-10-8.gif)
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1H-Benz[f]indene-1,3(2H)-dione,
2-(4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)-
CAS:918158-10-8
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-20-21/928652-16-8.gif)
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2H-Naphtho[1,2-b]pyran-2-one, 4-(5-phenyl-1,3,4-oxadiazol-2-yl)-
CAS:928652-16-8
Formula:C21H12N2O3
![](//www.lookchem.com/300w/casimage/2011-01-20-21/928652-18-0.gif)
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3H-Naphtho[2,1-b]pyran-3-one, 1-(5-phenyl-1,3,4-oxadiazol-2-yl)-
CAS:928652-18-0
Formula:C21H12N2O3