(1S,16R)-4,5,16-trimethoxy-10-azatetracyclo[8.7.0.0¹,¹³.0²,⁷]heptadeca-2(7),3,5,13-tetraene-8,9,15-trioneAlkaPlorer id: AK268590
Erythratidine; 10,11-Dioxo, 2-ketoneAlkaPlorer id: AK297829