109028-96-8
4,8-dimethyl-7-(2'-oxocyclohexyloxy)coumarin
→
~57%
109028-98-0
4,11-Dimethyl-6,7,8,9-tetrahydro-2H-benzofuro<3,2-g>-1-benzopyran-2-one
1056477-06-5
2-溴环戊酮