Synonyms: Crotsparine, 6-methyl-;Glaziovina [Spanish];Glaziovine, L-;N-Methylcrotsparine;NSC 141545;P.M. 297;Suavedol;(S)-2,3',8',8'a-Tetrahydro-6'-hydroxy-5'-methoxy-1'-methylspiro(cyclohexa-2,5-diene-1,7'(1'H)-cyclopent(ij)isoquinolin)-4-one;Glaziovine (VAN) (8CI);Spiro(2,5-cyclohexadiene-1,7'(1'H)-cyclopent(ij)isoquinolin)-4-one, 2',3',8',8'a-tetrahydro-6'-hydroxy-5'-methoxy-1'-methyl-, (S)- (9CI);(8a'S)-6'-hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H,4H-spiro[cyclohexa-2,5-diene-1,7'-cyclopenta[ij]isoquinolin]-4-one;(8a'R)-6'-hydroxy-5'-methoxy-1'-methyl-2',3',8',8a'-tetrahydro-1'H,4H-spiro[cyclohexa-2,5-diene-1,7'-cyclopenta[ij]isoquinolin]-4-one