chloroprocaine penicillin O

chlo·ro·pro·caine pen·i·cil·lin O

a crystalline salt of 2-chloroprocaine and penicillin O, insoluble in water; the level of the antibiotic in the blood persists for 24 hours; its antibacterial activity is similar to that of penicillin O and G.

chlo·ro·pro·caine pen·i·cil·lin O

(klōrō-prōkān peni-silin)
An agent with antibacterial activity is similar to that of penicillin O and G.