(R)-N,N’-双对甲氧苄基-3-异丙基哌嗪-2,5-二酮

(S)-N(1)-(p-methoxybenzyl)-6-isopropylpiperazine-2,5-dione

(3S,6S)-4,7-bis(4-methoxybenzyl)-1,1-dimethyl-6-isopropyl-4,7-diazaspiro[2.5]octane-5,8-dione

(3S,6S)-6-isopropyl-1,1-dimethyl-4,7-diazaspiro[2.5]octane-5,8-dione

乙酰氯