3,4-Dihydro-2,2-dimethyl(3,6-bi-2H-1-benzopyran)-7,7-diol
CAS No. 41347-48-2
3',4'-Dihydro-2,2'-dimethyl(3,6'-bi-2H-1-benzopyran)-7,7'-diol
3-甲氧基-4-硝基苯乙酸