潘生丁

2,4,6,8-tetra(piperidin-1-yl)pyrimido[5,4-d]pyrimidine

2,6-二氯-4,8-二哌啶子基嘧啶并[5,4-D]嘧啶

2-[[2-[bis(2-hydroxyethyl)amino]-4,8-dimorpholin-4-ylpyrimido[5,4-d]pyrimidin-6-yl]-(2-hydroxyethyl)amino]ethanol

2-[[8-[bis(2-hydroxyethyl)amino]-2,6-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-4-yl]-(2-hydroxyethyl)amino]ethanol