5,5'-dimethyl-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetate [ (CH3)2-BAPTA,5,5'-dimethyl-BAPTA,MAPTAM,Me2BAPTA,bis(2-amino-5-methylphenoxy)ethane-N,N,N',N'-tetraacetate,dimethyl BAPTA,dimethyl bis-(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid ] calcium chelator; do not confuse with calcium specific chelator (MAPTAM buffer)