InChI=1/C18H27NO4/c1-13(20)6-7-14-8-9-16(17(10-14)22-5)23-12-15(21)11-19-18(2,3)4/h6-10,15,19,21H,11-12H2,1-5H3/p+1/b7-6+/t15-/m1/s1/fC18H28NO4/h19H/q+1 2792EE3987D4564A