CAS Number: 7689-03-4
Chemical Name: Camptothecin
Molecular Formula: C20H16N2O4
Molecular Weight: 348.35

CAS Number: 119413-54-6
Chemical Name: Topotecan Hydrochloride
Molecular Formula: C23H24ClN3O5
Molecular Weight: 457.91

CAS Number: 504413-73-4
Chemical Name: (4S)-10-[(Dimethylamino)methyl]-4-ethyl-4,9,12-trihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
Molecular Formula: C23H23N3O6
Molecular Weight: 437.45