1,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 의 분자 구조, CAS 번호: 50693-74-8
1,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 의 분자 구조, CAS 번호: 50693-74-81,3,7-Trimethyl-8-piperazin-1-yl-3,7-dihydro-purine-2,6-dione 의 분자 구조, CAS 번호: 50693-74-8