InChI=1/C21H27NO4/c1-6-11-26-19-9-7-16(12-20(19)24-4)14-22-15(2)17-8-10-18(23-3)21(13-17)25-5/h6-10,12-13,15,22H,1,11,14H2,2-5H3/p+1/t15-/m0/s1/fC21H28NO4/h22H/q+1 733A02DB6F6B24E3