00543nam a2200169 a 450000500170000008200130001710000180003011000220004824500710007026000690014130000140021065300450022496400160026999700120028599900190029795200570031620251203115513.0  a540bRAm  aRamanathan. R  aDr. Venkatesan. R  aSemi- empirical Investigation of Beta- cynao tetraphenylporphyrins  aPondicherybDept. of Chemistry, Pondicherry UniversitycNov-2004  a44pc32cm  aChemistry: tetraphenylporphyrins, M.Phil  bcdefg_  aT3618 R  c213833d213833  00104071aPUbPUd2007-08-12l0o540 RAmpT3618yR