Iqbal Azhar, Khan Usmanghani, Shaista Perveen, Mohammad Shaiq Ali, Viqar Uddin Ahmad
Iqbal Azhar
Khan Usmanghani
Shaista Perveen
Mohammad Shaiq Ali
Viqar Uddin Ahmad
Six new fatty esters of tetracyclic triterpenoid (1-6) together with a known acyclic sesquiterpenoidal glycoside