(1R，3R)-Methyl-1，2，3，4-tetrahydro-2-chloroacetyl-1-(3，4-methylenedioxyphenyl)-9H-pyrido[3，4-b]indole-3-carboxylate _x000B__x000B_(Chloropretadalafil), 98%

1g 5g 25g 100g 500g