b 1105

LB 11058 is a novel injectable cephalosporin featuring a C-3 pyridyl-substituted vinyl sulfide and a C-7 2-amino-5-chloro-1,3-thiazole group. This compound exhibits exceptional activity against Streptococcus pneumoniae and demonstrates similar efficacy against β-hemolytic streptococci. The inhibition pattern for LB 11058 with S. aureus is consistent, as all isolates are inhibited under this pattern.

Epibrassinolide (BP55) (EBR) is a biologically active compound of the brassinosteroids, is a natural brassinosteroid (BR) derivative, is a plant regulator with a similar structure to mammalian steroids.