2-Propenyl 3,5,5-trimethylhexanoate 3,5,5-Trimethylhexanoic acid allyl ester 71500-21-5 Allyl 3,5,5-trimethylhexanoate Allyl trimethylhexanoate BRN 2079208 HEXANOIC ACID, 3,5,5-TRIMETHYL-, ALLYL ESTER