Purine a simple nitrogenousorganic molecule with a double-ring structure? A 6-membered pyrimidine ring fused to a 5-membered imidazole ring.
一种简单的含氮有机分子,具一个双环结构——六元嘧啶环融合成一个五元咪唑环。
2
Alkaloids are alkaline nitrogenousorganic compounds, which are widely existed in the natural plant.
生物碱是广泛存在于自然界天然植物中的碱性含氮有机化合物。
3
Slaughter waste water includes a lot of nitrogenousorganic matter such as blood, pluck, hairs and soon, and it is easy to breeding large Numbers of deleterious microorganism.