InChI=1/C21H23N3O3/c25-21(23-14-6-8-15-7-1-3-12-19(15)23)18-11-5-10-17(22-18)16-9-2-4-13-20(16)24(26)27/h2,4-5,9-11,13,15,19H,1,3,6-8,12,14H2/t15-,19+/m0/s1 5DC8DCB3E7A9FD5D