Patent ID: 8686012

Claim:
A method of inducing cardiogenic differentiation in a stem cell comprising contacting said stem cell with a compound having the formula: wherein R 1 and R 2 are both hydrogen or R 1 is hydrogen and R 2 is selected from the group consisting of substituted or unsubstituted C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, and benzyl, or where R 1 and R 2 may be joined together to form a ring selected from unsubstituted azetidinyl, unsubstituted pyrrolidinyl, unsubstituted piperazinyl, or unsubstituted morpholinyl; R 2 â€², R 3 and R 4 are independently selected from the group consisting of hydrogen, halogen, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, substituted or unsubstituted aromatic or heteroaromatic ring, cyano, nitro, and acyl; X is O, NH or S; and Y is O, NH or S.