Photos C6H5 CH3

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C6h5 ch3. C6h6ch3 hno3. C6h5-NH-ch3. C6h6 hno3 h2so4. C6h6 hno3 h2so4 конц.
C6h6ch3 hno3. C6h5-NH-ch3. C6h6 hno3 h2so4. C6h6 hno3 h2so4 конц.

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