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