ORG MED LEC: Modifying naturally occurring antibiotics and to prepare synthetic analogs necessitated the inclusion of __ in the definition

Question

Modifying naturally occurring antibiotics and to prepare synthetic analogs necessitated the inclusion of __ in the definition

LEIGHTON DWIGHT OBILLOS · Accepted Answer

semisynthetic, 
synthetic derivatives

Modifying naturally occurring antibiotics and to prepare synthetic analogs necessitated the inclusion of __ in the definition