129477-59-4 2-Piperazinecarboxylic acid, 1,4-bis(3,4,5-trimethoxybenzoyl)-, 5-methyl-2-(1-methylethyl)cyclohexyl ester N,N'-Di-(3',4',5'-trimethoxybenzoyl)-2-(2'-isopropyl-5'-methyl)cyclohexyloxycarbonylpiperazine