C[NH2+][C@@H]1CC5O[C@@](C)([C@@H]1OC)n7c2ccccc2c8c3cnc(=O)c3c6c4CCCCc4n5c6c78 STU_A2020_2ITU 4.418 74.904 35 469.565 7 2 0 2 417.656