N,N-二环己脲

(E)-3-carbomethoxy-2-propenyl trans-6-(3,4,5-trimethoxyphenyl)cyclobuta(f)-1,3-benzodioxole-5-carboxylate

(E)-4-[(1R,2S)-2-(3,4,5-Trimethoxy-phenyl)-1,2-dihydro-4,6-dioxa-cyclobuta[f]inden-1-yloxycarbonylamino]-but-2-enoic acid

(E)-4-[(1R,2S)-2-(3,4,5-Trimethoxy-phenyl)-1,2-dihydro-4,6-dioxa-cyclobuta[f]inden-1-yloxycarbonylamino]-but-2-enoic acid methyl ester

(4aR,5R,6S,11bS)-2-Oxo-6-(3,4,5-trimethoxy-phenyl)-3,4,4a,5,6,11b-hexahydro-2H-1,8,10-trioxa-3-aza-cyclopenta[b]phenanthrene-5-carboxylic acid methyl ester