CAS Number: 123997-26-2
Chemical Name: Eprinomectin (Mixture of B1a and B1b)
Molecular Formula: C50H75NO14 (B1a); C49H73NO14 (B1b)
Molecular Weight: 914.14 (B1a); 900.12 (B1b)

CAS Number: 133305-88-1
Chemical Name: Eprinomectin B1a
Molecular Formula: C50H75NO14
Molecular Weight: 914.14