Original sample | Saponification | Heptane extract | EtOH: H2O acid wash |
Riii-O-Riv Rii-OH RCOOR | Riii-O-Riv Rii-OH RCOO− R1OH | Riii-O-Riv Rii-OH RCOO residual R1OH NaOH residual | Riii-O-Riv Rii-OH RCOOH1,3 R1OH NaCl HCl2 |