英文同义词: | (R)-4-Hydroxy-6'-methoxy-6-methyl-3,4'-dioxospiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid methyl ester;Spiro[benzofuran-2(3H),1'-[2,5]cyclohexadiene]-2'-carboxylic acid, 4-hydroxy-6'-methoxy-6-methyl-3,4'-dioxo-, methyl ester, (1'R)- |