沃拉帕沙中间体9

(3R,3aS,4S,4aS,7R,9aR)-3-Methyl-7-nitro-1-oxo-N,N-diphenyl-1,3,3a,4,4a,5,6,7,8,9a-decahydronaphtho[2,3-c]furan-4-carboxamide ·