InChI=1/C18H28O7/c19-18(20)13(12-11-21-16(23-12)7-3-1-4-8-16)22-15-14(18)24-17(25-15)9-5-2-6-10-17/h12-15,19-20H,1-11H2/t12-,13-,14-,15+/m0/s1 87EA84215BEA369C