The molecule is a dimeric hydrolysable tannin in which 2 moles of potentillin monomer are linked via a dehydrogalloyl group; an antitumor tannin of Agrimonia pilosa Ledeb., which induces interleukin-1.
[(1R,2S,19R,20R,22R)-7,8,9,12,13,14,28,29,30,33,34,35-dodecahydroxy-4,17,25,38-tetraoxo-3,18,21,24,39-pentaoxaheptacyclo[20.17.0.02,19.05,10.011,16.026,31.032,37]nonatriaconta-5,7,9,11,13,15,26,28,30,32,34,36-dodecaen-20-yl] 2-[5-[[(1R,2S,19R,20R,22R)-7,8,9,12,13,14,28,29,30,33,34,35-dodecahydroxy-4,17,25,38-tetraoxo-3,18,21,24,39-pentaoxaheptacyclo[20.17.0.02,19.05,10.011,16.026,31.032,37]nonatriaconta-5,7,9,11,13,15,26,28,30,32,34,36-dodecaen-20-yl]oxycarbonyl]-2,3-dihydroxyphenoxy]-3,4,5-trihydroxybenzoate