00401nam a22001217a 4500 541.393 DIA Dias,Merita Nirmali 215 Isolation and Characterisation of 15x,22β -Dihydroxytingenone,A Biogenetically Significant Quinone-Methide Triterpenoid from cassine balae(Celastraceae) Colombo Ichemc 1989 28 biogenetic 216 DES 3006 3006 0 0 0 NFIC IC IC GEN 2016-01-17 0 541.393 DIA D0005 2016-01-17 00:00:00 2016-01-17 DIS 0 0 0 IC IC 2023-11-04 0 541.393 DIA D0007 2023-11-04 14:59:24 2023-11-04 DIS