5-Substituted 2-amino-4,6-dihydroxypyrimidines and 2-amino-4,6-dichloropyrimidines: synthesis and inhibitory effects on immune-activated nitric oxide production.

5-取代的2-氨基-4,6-二羟基嘧啶和2-氨基-4,6-二氯嘧啶：合成及其对免疫激活的一氧化氮产生的抑制作用