00551nam a2200193Ia 450000500170000000800410001702000180005803500090007604100080008508200100009310000290010324500480013226000350018030000130021549000060022850500650023465000330029970000250033220260808125332.0260808s9999||||xx |||||||||||||| ||und||  a62-13037(LOC)  a2177  aENG  a547.7  aKatritzky, Alan R. (ed.) 0aAdvances in heterocyclic chemistry (vol-04)  aNew YorkbAcademic Pressc1965  axi + 462  a4  aHeterocyclic Chemistry, Organic Chemistry, Synthesis, Review  aChemistrybOrganic chemistry  aBoulton, A. J. (ed.)