The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
利用相转移催化法合成香料2- 甲基-3 甲氧基吡嗪，并对其反应条件进行探讨，找到较佳的反应条件。
2
The concentration or composition of perfume starts with a base of perfume oils, which are natural, animal, or synthetic.
浓度或组成的香水开始基地的香水油，这是自然，动物，或合成。
3
Citronellyl oxyacetaldehyde with thick and intense rose and lily note is widely used for waking up floral essences and a extremely precious syntheticperfume with wide applied perspective.