英文别名2-Hydroxypropyl nortadalafil; 2-Hydroxypropylnortadalafil; (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-(2-hydroxypropyl)-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; Pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)-, (6R,12aR)-; (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxypropyl)pyrazino(1',2':1,6)pyrido(3,4-b)indole-1,4-dione; (2R,8R)-2-(1,3-benzodioxol-5-yl)-6-(2-hydroxypropyl)-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione; (6R,12aR)-6-(benzo[d][1,3]dioxol-5-yl)-2-(2-hydroxypropyl)-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; TDF-N-YBC; Nortadalafil-N-(2-hydroxy)propyl; Tadalafil Impurity 78 
