(-) 3-(3,3-Dimethylallyl)-5\\\\\\\'-(2-hydroxy-3-methyl-but-3-enyl)-4,2\\\\\\\',4\\\\\\\'-trihydroxychalcone (2E)-1-[2,4-dihydroxy-5-(2-hydroxy-3-methylbut-3-en-1-yl)phenyl]-3-[4-hydroxy-3-(3-methylbut-2-en-1-yl)phenyl]prop-2-en-1-one 1-[2,4-Dihydroxy-5-(2-hydroxy-3-methyl-but-3-enyl)-phenyl]-3-[4-hydroxy-3-(3-methyl-but-2-enyl)-phenyl]-propenone 2-propen-1-one, 1-[2,4-dihydroxy-5-(2-hydroxy-3-methyl-3-butenyl)phenyl]-3-[4-hydroxy-3-(3-methyl-2-butenyl)phenyl]-, (2E)- Bartericin A InChI=1/C25H28O5/c1-15(2)5-8-18-11-17(6-9-21(18)26)7-10-22(27)20-12-19(13-23(28)16(3)4)24(29)14-25(20)30/h5-7,9-12,14,23,26,28-30H,3,8,13H2,1-2,4H3/b10-7