1(2H)-ISOQUINOLINONE, 5,6,7,8-TETRAHYDRO-2-ETHYL-3-HYDROXY-4-(1-IMINOETHYL)- 2-Ethyl-3-hydroxy-4-(1-iminoethyl)-5,6,7,8-tetrahydroisoquinolin-1(2H)-one 5,6,7,8-Tetrahydro-2-ethyl-3-hydroxy-4-(1-iminoethyl)isoquinolin-1(2H)-one 89246-48-0