78877-42-6 | 2H,6H-Pyrido[2,1-b][1,3]thiazine-4,9-dicarboxylic acid, 7-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-7,8-dihydro-3-methyl-6-oxo-, diethyl ester | C23H22N2O7S |
78877-45-9 | 2H,6H-Pyrido[2,1-b][1,3]thiazine-4,9-dicarboxylic acid, 7,8-dihydro-3-methyl-6-oxo-, bis(phenylmethyl) ester | C25H23NO5S |