1,4,4a,9a-tetrahydro-9,10-dioxo-1,4-methanoanthracene-11-spiro-1'-cyclopropane

(1R,4S,4aR,9aS)-2'-methyl-1,4,4a,9a-tetrahydrospiro[1,4-methanoanthracene-11,1'-cyclopropane]-9,10-dione

四溴对烯

2-(二甲氧基甲基)苯甲酸甲酯

邻羧基苯甲醛