1-(1-{4-[(4aS,8aR)-4-(3,4-Dimethoxyphenyl)-1-oxo4a,5,8,8a-tetrahydro-1H-phthalazin-2-yl]-piperidin-1-yl}-methanoyl)-4-ethyl-piperazine-2,3-dione (HCID 9828642)|Huagongshe