3-Ethyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid methyl ester 의 분자 구조, CAS 번호: 16015-53-5
3-Ethyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid methyl ester 의 분자 구조, CAS 번호: 16015-53-53-Ethyl-4-oxo-3,4-dihydro-phthalazine-1-carboxylic acid methyl ester 의 분자 구조, CAS 번호: 16015-53-5