1H-naphtho[2,1-b]pyran-8(4aH)-one, 3-[(1R)-2-chloro-1-hydroxyethyl]decahydro-3,4a,7,7,10a-pentamethyl-, (3R,4aS,6aS,10aR,10bS)- 3-(2-Chloro-1-hydroxy-ethyl)-3,4a,7,7,10a-pentamethyl-decahydro-benzo[f]chromen-8-one 3-Oxo-ent-13-epi-8(13)-epoxy-15-chloro-14-hydroxylabdane Agallochin A InChI=1/C20H33ClO3/c1-17(2)13-6-10-19(4)14(18(13,3)9-8-15(17)22)7-11-20(5,24-19)16(23)12-21/h13-14,16,23H,6-12H2,1-5H3/t13-,14+,16+,18-,19+,20-/m1/s rel-(3R,4aS,6aS,10aR,10bS)-3-[(1R)-2-chloro-1-hydroxyethyl]-3,4a,7,7,10a-pentamethyldecahydro-1H-benzo[f]chromen-8(4aH)-one