37047-12-4
3,10-dimethyl-5-oxidobenzo[g]pteridin-5-ium-2,4-dione
→
~79%
36995-96-7
8-chloro-3,10-dimethylbenzo[g]pteridine-2,4-dione
58758-67-1
3-methyl-6-(N-methylanilino)-5-nitro-1H-pyrimidine-2,4-dione
~73%