5Z-7-Oxozeaenol

6 – 10-Dibenzyl-N – N’-dimethyl-N – N – N’ – N’-tetrakis(4-methylbenzyl)-1 – 4-dioxaspiro[4.5]decane-(2R – 3R)-diylbis(methylammonium) Bis(tetrafluoroborate) [=(R – R)-TaDiAS-2nd]