2H-Pyrano(3'',2'':4',5')furo(3',2':6,7)azuleno(2,1-c)pyridine-7,12-dione, 3,4,4a,13a-tetrahydro-3,4,4a,5-tetrahydroxy-2,10-dimethyl-8-propyl-, (2R-(2alpha,3alpha,4alpha,4abeta,13abeta))- 65445-21-8 6aH(S)-pyrano(2,3:5',4')furo(2',3':5,6)azuleno(2,3-c)pyridine-5,13-dione, 8,9,10,10a-tetrahydro-3,8-dimethyl-1-propyl-9,10,10a,11-tetrahydroxy- (8R,9R,10S,10aR)- BRN 1095666 Pigment A Ro 21-1660/002 Rubrolone