001749: InChI=1.12Beta/C14H20O7/c15-6-9(17)12-11(19)13(10(18)7-16)21-14(20-12)8-4-2-1-3-5-8/h1-5H,6-7H2,9-19H/t9-,10+,11+,12-,13+,14+