c
5-溴尿嘧啶 51-20-7 5-Bromouracil 异胞嘧啶 108-53-2 IsoCytosine 4,6-二氨基嘧啶 2434-56-2 4,6-Diaminopyrimidine 二硫尿嘧啶 2001-93-6 Dithiouracil 5-甲基胞嘧啶 554-01-8 5-Methylcytosine 5-甲基胞嘧啶 58366-64-6 5-Methylcytosine hydrochloride 7-甲基鸟嘌呤 578-76-7 7-Methylguanine 2,4-二氯-5-甲基嘧啶 1780-31-0 2,4-Dichloro-5-methylpyrimidine 5-溴尿苷 957-75-5 5-Bromouridine 2-氯腺嘌呤核苷 246-77-0 2-Chloroadenosine 2,6-二氯嘌呤核苷 13276-52-3 2,6 – Dichloropurine riboside