2,3-dimethyl-8,9-dihydro-[1,3]thiazolo[3,2-a]pteridin-5-one

2,3-dimethyl-7,8-dihydro-[1,3]thiazolo[2,3-b]pteridin-10-one

S-(2-benzoylsulfanylethyl) benzenecarbothioate

trimethyl-[2-(trimethylazaniumyl)ethyl]azanium,dibromide

1,2-bis(methylsulfonyl)ethane