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2 amino benzo f chromene grinding method

Jun 01 2020 · 3amino1phenyl1Hbenzofchromene2carbonitrile 6a IR neat thin film υ 3470 3360 2200 1650 1575 1248 we compare this work with several existing methods for the synthesis of 2amino4Hchromenes From Table 3 it is observed that our methodology is more efficient and have number of advantage than the reported ones

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