DEPTQ spectrum of a 50 μg (0.6 μmol) sample of paclitaxel in 120 μl of DMSO-d6. Recorded on a Bruker Avance AV 900 spectrometer equipped with a 5 mm TCI triple resonance inverse cryoprobe using DMSO-matched 3 mm Shigemi microcell assembly, with following parameters: deptqgpsp pulse program, SW = 239.50 ppm (54200 Hz), TD = 32 K, LB = 1 Hz, SI = 256 K, D1 = 1.5 s, NS = 48000, DS = 8, EXPT = 24 h 43′.