Parthenolide

Case No: 13463-67-7 Chemical Formula: O₂Ti Exact Mass: 79.94 Molecular Weight: 79.87 m/z: 79.94 (100.0%), 77.94 (11.2%), 78.94 (10.1%), 80.94 (7.3%), 81.93 (7.0%) Elemental Analysis: O, 40.07; Ti, 59.93

Case No: 13746-89-9 Chemical Formula: N4O12Zr Exact Mass: 337.86 Molecular Weight: 339.24 m/z: 337.86 (100.0%), 341.86 (33.8%), 339.86 (33.3%), 338.86 (21.8%), 343.86 (5.4%), 339.86 (2.5%), 338.85 (1.5%) Elemental Analysis: N, 16.52; O, 56.59; Zr, 26.89

Case No: 120-47-8 Chemical Formula: C₉H₁₀O₃ Exact Mass: 166.06 Molecular Weight: 166.18 m/z: 166.06 (100.0%), 167.07 (9.7%) Elemental Analysis: C, 65.05; H, 6.07; O, 28.88

Case No: 7789-23-3 Chemical Formula: FK Exact Mass: 57.96 Molecular Weight: 58.10 m/z: 57.96 (100.0%), 59.96 (7.2%) Elemental Analysis: F, 32.70; K, 67.30