2,3,6,7-Tetrahydro-2-(mesitylimino)-9,10-dimethoxy-3-methyl-4H-pyrimido(6,1-a)isoquinolin-4-one 78416-81-6 79855-88-2 Trequinsin Trequinsin [INN] Trequinsine [INN-French] Trequinsinum [INN-Latin]