英文别名4-AMINO-2-MERCAPTOPYRIMIDINE; 6-Amino-2-pyrimidinethione; 4-Aminothio-2-pyrimidinone; 4-AMINO-2-THIOPYRIMIDINE; 4-aminopyrimidine-2-thione; 4-aminopyrimidine-2-thiol; 2-THIOCYTOSINE; THIOCYTOSINE; Cytosine,2-thio; Cytosine,thio; 2(1H)-Pyrimidinethione, 4-amino-; 4-Amino-2(1H)-pyrimidinethione; 6-amino-1H-pyrimidine-2-thione 
