87621-00-9 APNBH L-Prolinamide, L-alanyl-N-((4-nitrobenzoyl)oxy)-, (6R-(6alpha,7beta(Z)))- N-Ala-pro-O-(4-nitrobenzoyl)hydroxylamine N-Alanylproline-O-(4-nitrobenzoyl)hydroxylamine N-Alanylprolyl-O-(4-nitrobenzoyl)hydroxylamine