3-(10-Methyl-2,4-dioxo-4,10-dihydro-2H-pyrimido[4,5-b]quinolin-3-yl)-propane-1-sulfonic acid anion 在
sodium dithionite 作用下,
以
sodium hydroxide 、
水 为溶剂,
生成 3-(10-Methyl-2,4-dioxo-1,4,5,10-tetrahydro-2H-pyrimido[4,5-b]quinolin-3-yl)-propane-1-sulfonic acid anion