dimethyl 1,4-dihydro-1,4-epoxy-6,7-methylenedioxy-2,3-naphthalene-dicarboxylate

(5R,5aR,8R,8aR,9R)-8-(((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)oxy)-5-(3,4,5-trimethoxyphenyl)-5,5a,8a,9-tetrahydro-5,9-(epoxymethano)furo[3',4':6,7]naphtho[2,3-d][1,3]dioxole-6,11(8H)-dione

(5R,5aR,6R)-6-(((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl)oxy)-8-oxo-9-(3,4,5-trimethoxyphenyl)-5,5a,6,8-tetrahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxole-5-carboxylic acid

环丁酮

重氮甲烷