101772-46-7 101772-52-5 AIDS-187730 AIDS187730 Ammonium, [1-amino-3-[[[1-methyl-4-[[[1-methyl-4-[[(trimethylammonio)acetyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]-1H-pyrrol-2-yl]carbonyl]amino]propylidene]-