8-[2-(二乙基氨基)乙氧基]-3,7-二氢-1,3,7-三甲基-1H-嘌呤-2,6-二酮

1,3,7-trimethyl-8-phenylmethoxypurine-2,6-dione

8-乙基氨基-1,3,7-三甲基-嘌呤-2,6-二酮

1,3,7-trimethyl-8-(2-phenylethoxy)purine-2,6-dione

2-(1,3,7-trimethyl-2,6-dioxopurin-8-yl)acetic acid