2-[2-[2-CHLORO-3-[(1,3-DIHYDRO-3, 3-DIMETHYL-1-PROPYL-2H- INDOL-2-YLIDENE)ETHYLIDENE]-1- CYCLOHEXEN-1-YL]ETHENYL]-3,3- DIMETHYL-1-PROPYLINDOLIUM IODIDE price
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