共 50 条
- [21] NMR investigation of phenolphthalein polyether ether ketone .1. The chain structure and assignments of H-1, C-13 NMR lines of PEK-C CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE, 1996, 17 (09): : 1487 - 1491
- [30] NMR spectral studies of dimedone-aldehyde adducts .2. H-1 and C-13 NMR studies of the adducts SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 1996, 52 (11): : 1433 - 1454