610-Dibenzyl-NN'-dimethyl-NNN'N'-tetrakis(4-methylbenzyl)-14-dioxaspiro[4.5]decane-(2R3R)-diylbis(methylammonium) Tetrafluoroborate [=(RR)-TaDiAS-2nd] - 200 mg Chiral Phase-Transfer Catalysts GC-ECD(AS HEPTACHLOR EPOXIDE) 10 ppt
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