Nature CommunicationsDetection of the elusive cyclo−1,2-dihydrotetrazete (N4H2) in the gas phaseJianchao YangXinyue GongZhibiao LiYou WuXiaohu LiWeijun ZhengRalf I. KaiserChongqin ZhuCheng Zhu2026-08-15Full textDOI https://doi.org/10.1038/s41467-026-75814-y