[Pyranylidene-anthrones (author's transl)].
D000880:Anthraquinones / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D011714:Pyrans / Q000138:chemical synthesis; D011753:Pyrones / Q000138:chemical synthesis
D000880:Anthraquinones; D011714:Pyrans; D011753:Pyrones
Uber Pyranyliden-anthrone