共 12 条
- [1] HYDROXY-STEROIDS .16. PREPARATION OF 2,3-ACETOXY-KETONES AND 2,3-DIOLS FROM LUPAN-3-ONE [J]. JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC, 1971, (07): : 1199 - &
- [3] Dischendorfer O., 1926, MONATSH, V47, P419
- [9] Information on betulin. [J]. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1922, 55 : 2332 - 2346