ethyl N-chlorocarbonyl-2,3-dihydroindole-2-carboxylate 、 ethyl 2-(4-benzyloxycarbonylaminobutyl)aminomethyl-4-phenylbutyrate 生成
Ethyl 1(S)-[(R,S)-N-(2-ethoxycarbonyl-4-phenylbutyl)-N-(4-benzyloxycarbonylaminobutyl)carbamoyl]-2,3-dihydroindole-2-carboxylate