1,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 的分子结构, CAS编号: 50693-74-8
1,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 的分子结构, CAS编号: 50693-74-81,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 的分子结构, CAS编号: 50693-74-8