enpiperate, Benzilsaeure-(1-methyl-[4]piperidylester), 1-methyl-4-piperidyl diphenylglycolate, benzilic acid-(1-methyl-[4]piperidyl ester), Hydroxydiphenylacetic acid 1-methyl-4-piperidyl ester, [3H]-Enpiperate, 2-Hydroxy-2,2-diphenylacetic acid 1-methyl-4-piperidinyl ester, N-Methyl-4-piperidyl benzilate, Hydroxy-diphenyl-acetic acid 1-Methyl-piperidin-4-yl ester