12-Amino-7,8-dihydrocalanolide B 183791-92-6 2H,6H,10H-Benzo[1,2-b:3,4-b':5,6-b'']tripyran-2-one, 12-amino-7,8,11,12-tetrahydro-6,6,10,11-tetramethyl-4-propyl-, [10S-(10.alpha.,11.beta.,12.beta.)]- AIDS-033396 AIDS033396 Calanolide B deriv.