英文别名
6-[(2-hydroxy-ethyl)-methyl-amino]-4,8-di-piperidin-1-yl-pyrimido[5,4-d]pyrimidine-2-sulfonic acid (2-hydroxy-ethyl)-methyl-amide;N-(2-hydroxyethyl)-6-[2-hydroxyethyl(methyl)amino]-N-methyl-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidine-2-sulfonamide