“…(CH30H): 237,5 (4,32), 285 (4,50), 346 (3,73), 362 (3,64), 594 (2,41); Amin 257 (4,09), 338 (3,70), 355 (3,63) 275, 260, 217, 189, 152. 213 (4,40), 225 (4,35), 252,5 (4,44), 291 (4,54), 315 (4,36), 361 (3,80), 378 (3,77), 608 (2,56); Amin 235 (4,31), 269 (4,19), 311 (4,35), 347 (3,73), 371 (3,73). 33 (d, J = 7 , 6H, (CH3)zCH)); 2,32 und 2,56 (2s, 6H, CH3-C(3') und CH3-C(8')); HELVETICA CHIMICA ACTA -Vol.…”