98744-12-8
→
~26%
13229-58-8
+
73739-03-4
3,4-dichloro-7-methoxy-2,2-dimethylchromene
98744-32-2
98744-30-0
20321-73-7
7-甲氧基-2,2-二甲基苯并二氢吡喃-4-酮
~10%
N/A