2-Propenenitrile, 3-(5,10,11,11a-tetrahydro-9-hydroxy-11-methoxy-8-methyl-5-oxo-1H-pyrrolo(2,1-c)(1,4)benzodiazepin-2-yl)-, (11R-(2(E),11alpha,11abeta))- 3-(5,10,11,11a-Tetrahydro-9-hydroxy-11-methoxy-8-methyl-5-oxo-1H-pyrrolo(2,1-c)(1,4)benzodiazepin-2-yl)-2-propenenitrile (11R-(2(E),11alpha,11abeta))- 72506-76-4