00414nam a22001577a 450000500170000000800410001702000270005804000090008504100120009408200170010610000190012324500490014226000330019130000080022465000240023220260604130632.0260604b |||||||| |||| 00| 0 eng d a9788183560122c2000.00 aMAIN aEnglish a547.139bTYA aTyagi, Rajpal  aOrganic Reactionsb: Mechanism with Problems aNew Delhi bDiscovery c2026 a198 aChemistry (PM USHA)