上游原料
4-Methoxybenzylamine; (4-Methoxyphenyl)methanamine2-[(2-hydroxyethyl)amino]-1-ethanol2,4,6,8-tetrachloropyrimido[5,4-d]pyrimidine1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)-tetronedisodium 2,6-dioxo-1,2,6,7-tetrahydropyrimido[5,4-d]pyrimidine-4,8-diolate2,6-dichloro-N(4),N(8)-bis(4-methoxybenzyl)pyrimido[5,4-d]pyrimidine-4,8-diamine; N-[2,6-dichloro-8-[(4-methoxybenzyl)amino]pyrimido[5,4-d]pyrimidin-4-yl]-N-(4-methoxybenzyl)amine