List of practice Questions

Steroidal cholestane ring fused with
Structure of hybrid in methadone and meperidine
Hypnotics and sedative barbiturate pK$_a$ value
Total Number of Carbon atoms in pregnane is
A/B Trans steroidal hydrogen in the 5th position
Methotrexate, used as an antimetabolite, is a product of N-methylation of para-aminobenzoic acid and pyridine hydroxyl. The isosteric group is