108171-00-2
3-(4-methoxy-phenylazo)-2-oxo-piperidine-3-carboxylic acid ethyl ester
→
104742-98-5
2,3-dioxopiperidine 3-(p-methoxyphenyl)hydrazone
17952-87-3
6-甲氧基-2,3,4,9-四氢-1H-beta-咔啉-1-酮