InChI=1S/C15H24O4/c1-8-6-10(16)7-9-4-5-11-12(14(8,9)2)15(3,18)13(17)19-11/h7-8,10-13,16-18H,4-6H2,1-3H3/t8-,10+,11-,12-,13+,14+,15-/m0/s1