5-氨基酮戊酸甲酯 盐酸盐5-氨基-4-氧代戊酸甲酯Methyl δ-aminolevulinate hydrochloride5-氨基乙酰丙酸甲酯5-Amino-4-oxopentanoic acid methyl esterδ-AMINOLEVULINIC ACID METHYL ESTER5-Aminolevulinic acid methyl esterMethyl 5-amino-4-oxopentanoate hydrochloride5-Aminolevulinic acid methylester hydrochloride