Standard InChI: InChI=1S/C27H31ClN4O5/c1-34-21-9-8-17(12-20(21)28)15-29-26-19(16-30-27(31-26)32-10-6-5-7-11-32)24(33)18-13-22(35-2)25(37-4)23(14-18)36-3/h8-9,12-14,16H,5-7,10-11,15H2,1-4H3,(H,29,30,31)
1.Sakamoto T, Koga Y, Hikota M, Matsuki K, Murakami M, Kikkawa K, Fujishige K, Kotera J, Omori K, Morimoto H, Yamada K.. (2014) Design and synthesis of novel 5-(3,4,5-trimethoxybenzoyl)-4-aminopyrimidine derivatives as potent and selective phosphodiesterase 5 inhibitors: scaffold hopping using a pseudo-ring by intramolecular hydrogen bond formation., 24 (22):[PMID:25442307][10.1016/j.bmcl.2014.09.082]