摘要:
Novel 7-hydroxyguanine compounds of the formula: ##STR1## wherein R is hydrogen atom or hydroxy, and a salt thereof, which have excellent anti-tumor activity, process for preparing the compounds, and anti-tumor agent containing said compound as an active ingredient.
摘要:
Novel 7-hydroxyguanine compounds of the formula: ##STR1## wherein R is hydrogen atom, tetrahydropyranyl group or tetrahydrofuryl group, and R.sub.2 is hydrogen atom, tetrahydropyranyl group or tetrahydrofuryl group, provided that when R.sub.1 is hydrogen atom, R.sub.2 is tetrahydropyranyl group or tetrahydrofuryl group, and a salt thereof, which have excellent anti-tumor activity, process for preparing the compounds, and anti-tumor agent containing said compound as an active ingredient.
摘要:
New antibiotic designated MF266 substance is now obtained from fermentaton of a new microorganism Streptomyces MF266-g4 (desposited under FERM-P 5401 or ATCC 31910). This new substance is useful as antibacterial agent and/or an antitumor agent for the inhibition of experimental animal tumors.