(2S)-4''-Depropyl-4''-propylidenelincomycin-d3 is the labeled analog of (2S)-4''-Depropyl-4''-propylidenelincomycin (D281915), an impurity of Lincomycin (L466200), an antibiotic produced by Streptomyces lincolnensis. Lincomycin is a lincosamide antibiotic that forms cross-links within the peptidyl transferase loop region of the 23S rRNA. Inhibits bacterial protein synthesis. Antibacterial.