2-ethyl-9-methyl-13-(2-phenylethyl)-5-(1H-pyrrol-2-yl)-2,4,9,15-tetraazatricyclo[9.4.0.0^{3,8}]pentadeca-1(15),3(8),4,6,11,13-hexaen-10-one (HCID 470743)|Huagongshe