New polycyclic ether antibiotic

Non-toxic opthalmic preparations

Novel amylase inhibitors

Novel anti-tumor substance and preparation thereof

Novel antibiotic 76-11, process for the production thereof, anti

Novel antibiotic and a process for the production thereof

Novel antibiotic BN-109 substance, its production and use

Novel antibiotic BN-213 substance and its production

Novel antibiotic BN-235 substance, and process for the productio

Novel antibiotic NCS-C and preparation method of the same

Novel antibiotic SF-2107 series substance and process for prepar

Novel antibiotic substance SF-1540 and its derivative, and proce

Novel antibiotic vermisporin, process for the production thereof

Novel antibiotic, BN-183B substance

Novel biologically-active compounds and method for isolating the

Novel cell-cidal antibiotic 82-85-8A and its production

Novel macrolide antibiotics and preparation thereof

Novel substances having carcinostatic and immunostimulating acti

OA-7653 Substance

Octahydro and decahydro derivatives of acid S, an antibiotic pro