34758-83-3 34758-84-4 4-(2-Methoxy-2-phenylethyl)-alpha-(methoxyphenylmethyl)-1-piperazineethanol EINECS 252-191-7 ZIPEPROL Zipeprol [DCF:INN] Zipeprolum [INN-Latin] alpha-(alpha-Methoxybenzyl)-4-(beta-methoxyphenethyl)-1-piperazineethanol