This article introduces a new process of synthesizing vanillin from 2-methoxy-4-methyl benzenol, which is abstracted from pine creosoteoil, via one-step oxygen method.
本文以松树杂酚油为原料提取4 甲基愈创木酚，然后利用4 甲基愈创木酚一步氧化合成香兰素。
2
Lignite oil is creosote derived from lignite tar.
褐煤油是从褐煤中得来的防腐油。
3
It smells as it did when I was a kid, of oil, creosote, and the pigeons under the railroad Bridges.