(1)Benzothieno(3,2-b)pyridine-3-carboxylic acid, 1,4-dihydro-4-(4-bromophenyl)-2-methyl-, methyl ester, 5,5-dioxide 1-(4-Bromophenyl)-2-methoxycarbonyl-3-methyl-1,4-dihydrobenzothieno(3,2-b)pyridine-9,9-dioxide 105098-74-6