TY - JOUR TI - Photoisomerisation von indazolen zu benzimidazolen AU - Tiefenthaler, H. AU - Dörscheln, W. AU - Göth, H. AU - Schmid, H. T2 - Tetrahedron Letters DA - 1964/01/01/ PY - 1964 DO - 10.1016/0040-4039(64)83078-1 VL - 5 IS - 40 SP - 2999 EP - 3001 J2 - Tetrahedron Letters SN - 0040-4039 UR - http://www.sciencedirect.com/science/article/pii/0040403964830781 ER -