86468-95-3
8-trifluoroacetoxymercuritheophylline
→
~97%
24255-56-9
8-iodo-1,3-dimethyl-7H-purine-2,6-dione
58-55-9
茶碱
~10%
1784-70-9
1,3-dimethyl-8-sulfanylidene-7,9-dihydropurine-2,6-dione