5-(2,5-二氧四氫呋喃)-3-甲基-3-環己烯-1,2-二碳酸酐 5-(2,5-Dioxotetrahydrofurfuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic acid acid anhydride HPLC: ≥ 99.5% APPEARANCE: powder to crystal
