Meloaxilines A-E, five unprecedented monoterpenoid indole alkaloids from Melodinus axillaris, suppress colorectal cancer by targeting the iron metabolism pathway. - Du KC; Li GC; Li YH; Xu XB; Hua HM; Kongkatitham V; Wang YM; Rojsitthisak P; Meng DL (Bioorganic chemistry, 2026)