TY - RPRT TI - Serendipity and four polymorphic structures of benzidine, C12H12N2. AU - Michal Rafilovich AU - Joel Bernstein PY - 2006 DO - 10.1021/ja063224b UR - https://pubmed.ncbi.nlm.nih.gov/16967969/ ID - 16967969 ER -