title: 9-Angeloylretronecine N-oxide from heliotropium bursiferum.
authors: National Institute of Oncology and Radiobiology, Havana, Cuba.
authors: G
authors: G
authors: Marquina
authors: A
authors: A
authors: Laguna
authors: H
authors: H
authors: Vélez
authors: H
authors: H
authors: Ripperger
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000032:analysis*; D006801:Humans; D007624:KB Cells / Q000187:drug effects; D009682:Magnetic Resonance Spectroscopy; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D000972:Antineoplastic Agents, Phytogenic