Standard InChI: InChI=1S/C25H21N5O2/c1-3-20(31)29-19-13-30-23(15(19)2)21(22-24(26)27-14-28-25(22)30)16-9-11-18(12-10-16)32-17-7-5-4-6-8-17/h3-12,14,19H,1-2,13H2,(H,29,31)(H2,26,27,28)/t19-/m1/s1
1.Xue Y, Song P, Song Z, Wang A, Tong L, Geng M, Ding J, Liu Q, Sun L, Xie H, Zhang A.. (2018) Discovery of 4,7-Diamino-5-(4-phenoxyphenyl)-6-methylene-pyrimido[5,4- b]pyrrolizines as Novel Bruton's Tyrosine Kinase Inhibitors., 61 (10):[PMID:29715023][10.1021/acs.jmedchem.8b00441]