220201-34-3 L-Aspartic acid, N-(((7S,8S)-3-carboxy-7-(2-carboxyethyl)-13-ethenyl-18-ethyl-7,8-dihydro-2,8,12,17-tetramethyl-21H,23H-porphin-5-yl)acetyl)-, tetrasodium salt LS 11 Talaporfin sodium Talaporfin sodium[USAN] Tetrasodium (2S)-2-((((7S,8S)-3-carboxylato-7-(2-carboxylatoethyl)-13-ethenyl-18-ethyl-2,8,12,17-tetramethyl-7,8-dihydroporphyrin-5-yl)acetyl)amino)butanedioate