1: Tanaka NG, Tohgo A, Ogawa H, Osada Y. Effects of DN-9693, a new metastasis inhibitor, on murine hematogenous metastasis. Anticancer Res. 1986 Jul- Aug;6(4):543-8. PMID: 3019218.
2: Kondo S, Tanaka N, Kubota S, Mukudai Y, Yosimichi G, Sugahara T, Takigawa M. Novel angiogenic inhibitor DN-9693 that inhibits post-transcriptional induction of connective tissue growth factor (CTGF/CCN2) by vascular endothelial growth factor in human endothelial cells. Mol Cancer Ther. 2006 Jan;5(1):129-37. doi: 10.1158/1535-7163.MCT-05-0097. PMID: 16432171.
3: Tanaka T, Kawai M, Kurihara S. Effects of a new inotropic drug (DN-9693) on Ca2+ transients and contraction in ferret ventricular muscles. J Cardiovasc Pharmacol. 1995 Aug;26(2):227-32. doi: 10.1097/00005344-199508000-00008. PMID: 7475047.
4: Iwatsuki K, Horiuchi A, Yonekura H, Haruta K, Homma N, Chiba S. Effects of DN-9693, a synthesized phosphodiesterase inhibitor, on pancreatic exocrine secretion in dogs. Jpn J Pharmacol. 1989 Jan;49(1):77-82. doi: 10.1254/jjp.49.77. PMID: 2470943.
5: Tanaka M, Yamada M, Ono K, Takegoshi T. Determination of 7-piperidino-1,2,3,5-tetrahydroimidazo[2,1-b]quinazolin-2-one (DN-9693) in human plasma and urine by high-performance liquid chromatography with electrochemical detection: application to studies on disposition of DN-9693 in healthy human volunteers. J Pharm Sci. 1987 Mar;76(3):235-7. doi: 10.1002/jps.2600760311. PMID: 3035171.
6: Akahane K, Furukawa Y, Haniuda M, Karasawa Y, Chiba S. Cardiovascular responses to a newly developed phosphodiesterase inhibitor, DN-9693 [7-pyperidinyl-1,2,3,5-tetrahydroimidazo (2,1-b)-quinazolin-2-one.HCl] in dog cross-circulated atrial and ventricular preparations. Jpn Heart J. 1989 Nov;30(6):903-15. doi: 10.1536/ihj.30.903. PMID: 2561162.
7: Tohgo A, Tanaka NG, Osada Y. Inhibitory effects of DN-9693 on platelet- enhanced tumor cell attachment to cultured endothelium. Invasion Metastasis. 1990;10(1):1-17. PMID: 2154413.
8: Jackson C, Ball J, Peel J, Lawry J, Greaves M, Preston FE. DN 9693: a phosphodiesterase inhibitor with a platelet membrane effect. Thromb Haemost. 1989 Apr 25;61(2):266-9. PMID: 2546286.
9: Hashimoto H, Ishii K, Satoh K, Taira N. Comparison of vasodilator effects of DN-9693, a selective inhibitor of cyclic AMP phosphodiesterase, and isobutylmethylxanthine, a non-selective one, in dogs. Jpn J Pharmacol. 1987 Aug;44(4):405-12. doi: 10.1254/jjp.44.405. PMID: 2446035.
10: Nakane T, Chiba S. Effects of DN-9693, a selective inhibitor of cyclic AMP phosphodiesterase, in isolated and perfused canine large coronary arteries. Jpn J Pharmacol. 1988 Dec;48(4):507-9. doi: 10.1254/jjp.48.507. PMID: 2468805.