“…MS (EI, 70 eV): m/z (%) = 338 (2) [M] + , 321 (10) [M -OH]+ , 305(18), 293(7), 277(7), 249 (3), 187 (4), 160 (37), 149 (11), 128 (14), 115 (100). MS (EI, 70 eV): m/z (%) = 338 (2) [M] + , 321 (10) [M -OH]+ , 305(18), 293(7), 277(7), 249 (3), 187 (4), 160 (37), 149 (11), 128 (14), 115 (100).…”