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2 1h Quinolinone Cas No 913613 82 8 , CAS NO 913613-82-8 , 2-1H-QUINOLINONE CAS NO 913613-82-8 , Our company upholds the spirit of "innovation harmony team work and sharing trails pragmatic progress". Give us a chance and we will prove our capability. With your kind help we believe that we can create a bright future with you together.