6-氨基-4-氯-2-亚氨基-2H-嘧啶-1-醇

3-tris(trimethylsilyloxy)silylpropyl 2-methylprop-2-enoate

2,4-二氨基嘧啶

2,4-二氨基-6-哌啶基嘧啶

(6-amino-4-chloro-2-iminopyrimidin-1-yl) acetate