Vitamin B12:
A、is a heterocyclic compound
B、is a derivative of pyrrole
C、contains cobalt
D、has corrin as a basic structure
E、is important for hematopoiesis
发布时间:2025-05-19 10:51:37
A、is a heterocyclic compound
B、is a derivative of pyrrole
C、contains cobalt
D、has corrin as a basic structure
E、is important for hematopoiesis