(RS)-4-((3-Ethoxymethylisoquinol-5-yl)imino)-1,2,10,10a-tetrahydro(1,3-thiazino)(3,4-a)indole 5-Isoquinolinamine, 3-(ethoxymethyl)-N-(3,4,4a,5-tetrahydro-1H-(1,3)thiazino(3,4-a)indol-1-ylidene)-, (+-)- 76953-87-2