TY - GEN AU - Maki,Y AU - Sako,M TI - Letter: A novel photorearrangement of cephalosporins SN - 0002-7863 PY - 1976///0123 KW - Cephalosporins KW - Photochemistry KW - Ultraviolet Rays N1 - Publication Type: Journal Article UR - https://doi.org/10.1021/ja00857a038 ER -