1. Synthesis and antitumor activity of 2,4-diamino-6-(2,5-dimethoxybenzyl)-5-methylpyrido[2,3-d]pyrimidine
2. Synthesis and pharmacology of pyrido[2,3-d]pyrimidinediones bearing polar substituents as adenosine receptor antagonists
3. Girreser, U.; Heber, D.; Schütt, M., Proceedings of ECSOC-5, The Fifth International Electronic Conference on Synthetic Organic Chemistry, 2001, poster A0008;
4. Kappe, C. O.; Merino, P.; Marzinzik, A.; Wennemers, H.; Wirth, T.; Van den Eynde, J.-J.; Lin, S.-K. (Eds). CD-ROM edition, ISBN 3-906980-06-5, MPDI, Basel (Switzerland), 2001.