115453-72-0 3-((1,2,3,3,3-Pentachloro-1-propenyl)thio)-L-alanine CCRIS 1574 L-Alanine, 3-((1,2,3,3,3-pentachloro-1-propenyl)thio)- L-Cysteine, S-(1,2,3,3,3-pentachloro-1-propenyl)- S-(1,2,3,3,3-Pentachloroprop-1-enyl)-L-cysteine