Here is a link to an article about the research of the Carmelite nun Mother Agnes Mariam el-Salib:
http://www.globalresearch.ca/staged-and-scripted-mother-agnes-finalizes-chronology-of-damascus-chemical-attack/5351854
And below is an article that talks about the whole story of the Syrian chemical attacks
https://theinternationalreporter.org/2016/08/27/the-truth-about-the-gas-attacks-in-aleppo-and-damascus-and-why-a-no-fly-zone-failed-and-syria-was-not-bombed-back-into-the-stone-age-by-nato/