Showing structure for (1s,4as,7s,7as)-4-(methoxycarbonyl)-1-{[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-1h,4ah,7h,7ah-cyclopenta[c]pyran-7-carboxylic acid