(1,4-Bis(3,4,5-trimethoxybenzoyl)-2-piperazinyl)methyl hexanoate 129229-97-6 Hexanoic acid, (1,4-bis(3,4,5-trimethoxybenzoyl)-2-piperazinyl)methyl ester N,N'-Di-(3',4',5'-trimethoxybenzoyl)-2-n-hexanoyloxymethylpiperazine