ChemInform Abstract: Stereoselective Approach to Potential Scaffold of A‐nor B‐Aromatic OSW‐1 Analogues via [4 + 2] Cycloaddition of O‐Quinodimethane. Issue 44 (4th November 2014) - Li, Bozhi; Masuda, Seiji; Minato, Daishiro; Zhou, Dejun; Sugimoto, Kenji; Nemoto, Hideo; Matsuya, Yuji