(1S,2R,4R,5S)-3-oxatricyclo[3.2.1.0~2,4~]octane 3-oxatricyclo[3.2.1.0~2,4~]octane, (1S,2R,4R,5S)- InChI=1/C7H10O/c1-2-5-3-4(1)6-7(5)8-6/h4-7H,1-3H2/t4-,5-,6?,7?/m0/s