(organic chemistry) naphthyridine

北涼 (Hokuryō, “Northern Liang”, 397–439 CE) / 西涼 (Seiryō, “Western Liang”, 400–421 CE) / a female given name / 前涼 (Zenryō, “Former Liang”, 320–376 CE) / 後涼 (Kōryō, Goryō, “Later Liang”, 386–403 CE)

plan; scheme; proposal; program

Kyūjitai form of 性交体位