Propanedinitrile,(2,3-dihydro-6-methyl-4H-1-benzothiopyran-4-ylidene)- (9CI); Thiochroman-D4,a-malononitrile,6-methyl- (7CI,8CI); 4H-1-Benzothiopyran, propanedinitrile deriv.; NSC 108755
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