1-(N-Acetyl-L-leucine)-3-L-glutaminezervamicin IC 135995-68-5 Leu(1)-zervamicin Zervamicin IC, 1-(N-acetyl-L-leucine)-3-L-glutamine- Zervamicin L Zervamicin Z-L Zervamicin, leu(1)- Zervamicin, leucine (1)-