(2R,4S)-2-ethyl-4-methyltetrahydrofuran InChI=1/C7H14O/c1-3-7-4-6(2)5-8-7/h6-7H,3-5H2,1-2H3/t6-,7+/m0/s furan, 2-ethyltetrahydro-4-methyl-, (2R,4S)-