C22H19N3O4
Neat
389.40
+5°C
Room Temperature
(6S, 12aS)-6-(1, 3-Benzodioxol-5-yl)-2-methyl-2, 3, 6, 7, 12, 12a-hexahydropyrazino[1, 2:1, 6]pyrido[3, 4-b]indole-1, 4-dione, (6S, 12aS)-6-(1, 3-Benzodioxol-5-yl)-2, 3, 6, 7, 12, 12a-hexahydro-2-methylpyrazino[1, 2:1, 6]pyrido[3, 4-b]indole-1, 4-dione, Tadalafil Imp. B (EP) and Tadalafil Impurity B
CN1CC(=O)N2[C@@H](Cc3c([nH]c4ccccc34)[C@@H]2c5ccc6OCOc6c5)C1=O
(2S, 8S)-2-(1, 3-benzodioxol-5-yl)-6-methyl-3, 6, 17-triazatetracyclo[8.7.0.0^{3, 8}.0^{11, 16}]heptadeca-1(10), 11, 13, 15-tetraene-4 and 7-dione