106-60-5 5-Amino-4-oxopentanoic acid 5-Amino-4-oxovaleric acid 5-Aminolevulinic acid Aminolevulinic acid CCRIS 8958 EINECS 203-414-1 PENTANOIC ACID, 5-AMINO-4-OXO Pentanoic acid, 5-amino-4-oxo- delta-Aminolevulinic acid