(4R-trans)-4-Methyl-7-(1-methylethyl)-2-oxepanone (4R-trans)-7-Isopropyl-4-methyloxepan-2-one 2-Oxepanone, 4-methyl-7-(1-methylethyl)-, (4R,7S)- 68330-67-6 EINECS 269-768-4