14002-97-2
2H-1-Benzopyran-2-one, 7,8-dimethoxy-4-methyl-
→
404966-37-6
7,8-dimethoxy-2-oxochromene-4-carbaldehyde
2107-77-9
7,8-二羟基-4-甲基香豆素
87-66-1
邻苯三酚