66833-20-3 2H-Pyrazino(2,1-a)isoquinoline, 3-ethyl-1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-2-((1,2,3,4-tetrahydro-6,7-dimethoxy-1-isoquinolinyl)methyl)- 66834-86-4 (12S,25S)-5,31-dimethoxy-11,26-dimethyl-2,18-dioxa-11,26-diazaheptacyclo[23.6.2.2~14,17~.1~19,23~.0~3,8~.0~7,12~.0~29,33~]hexatriaconta-1(31),3,5,7,14,16,19(34),20,22,29,32,35-dodecaene-4,20-diol (non-preferred name)