6-(4-chlorophenoxy)-tetrazolo[5. 1-a]phthalazine is a national class I innovative antiepileptic drug candidate in clinical trials with independent intellectual property rights. The 1H. 13C and 15N NMR spectra of the compound were acquired at 500 MHz. https://www.nacrack.com/hot-savings-HiBoost-Home-15K-Smart-Link-F20G-5S-IoT-limited-super/