Out of stock 2-[3-(1,3-Dihydro-1,3,3,5-tetramethyl-2H-indol-2-ylidene)-1-propenyl]-1,3,3,5-tetramethyl-3H-indolium iodide
Out of stock 1,3,3-Trimethyl-2-[3-(1,3,3-trimethyl-2-indolinylidene)propenyl]-3H-indolium perchlorate