10257-70-2 AMMONIUM, DIETHYL(4-HYDROXYBUTYL)METHYL-, IODIDE, ESTER with (trans-1,2,cis-1,3, Ammonium, diethyl(4-hydroxybutyl)methyl-, iodide, ester with (trans-1,2,cis-1,3,trans-1,4)-2,4-diphenyl-1,3-cyclobutanedicarboxylic acid (2:1)