Synthesis and Crystal Structure of 4-(2-Methylene-1-ethyl-3,3-dimethylindoline-2'-yl)-6,8-dibromo-1'

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The title compound of 4-(2-methylene-1-ethyl-3,3-dimethylindoline-2'-yl)-6,8-dibro-mo-1'-ethyl-3',3'-dimethylspiro[3,4-dihydro-2H-1-benzopyran-2,2'-indoline],C33H36Br2N2O,as a dicondensed spiropyran(DC) has been synthesized by indoline
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