摘要:
An anti-tumor preparation containing cells of Streptococcus equisimilis and a process for preparing the preparation which comprises subjecting the cells to heat treatment in a salt solution with or without penicillin treatment.
摘要:
Novel uracil derivatives of the formula ##STR1## (wherein R.sub.1, R.sub.2 R.sub.3 and X are defined in the description) and their pharmaceutically acceptable salts, process for preparing the same and pharmaceutical composition containing the same are disclosed. The uracil derivatives have good antitumor activity and, therefore, are useful as antitumor preparation.