1-乙基-5-羟甲基-1,2,4-三唑

2,2'-O-脱水-5-甲基尿嘧啶核苷

Dimethyl-carbamic acid (2R,3R,4R,5R)-3,4-dihydroxy-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester

4-甲酰基-3,5-二甲基-1H-吡咯-2-羧酸乙酯

4-(1H-吡咯-1-基)苯甲醛