2,3-Dihydro-2,2-dimethyl-7-(((methylamino)carbonyl)oxy)-3-benzofuranyl-2-methyl-2-butenoate 2-Butenoic acid, 2-methyl-, 2,3-dihydro-2,2-dimethyl-7-(((methylamino)carbonyl)oxy)-3-benzofuranyl ester, (Z)- 3-Hydroxycarbofuran angelate 79189-81-4