enanthotoxin-0-*O*-00-*O*-(R)-MTPA diester (**0b**): {#sec0.0} -----------------------------------------------------  amorphous solid; ^0^H NMR (000 MHz, CDCl~0~) δ 0.00 and 0.00 (MTPA phenyl protons), 0.00 (H-0, dd, *J* = 00.0, 00.0 Hz), 0.00 (H-0, dt, *J* = 00.0, 0.0 Hz), 0.00 (H-00, dd, *J* = 00.0, 00.0 Hz), 0.00 (H-00, 