2-Pyrrolidinone, 4-(3-(cyclopentyloxy)-4-methoxyphenyl)- 4-(3-(Cyclopentyloxy)-4-methoxyphenyl)-2-pyrrolidinone 4-(3-Cyclopentyloxy-4-methoxyphenyl)-2-pyrrolidone 61413-54-5 BRN 1588548 EINECS 262-771-1 ROLIPRAM Rolipram [USAN:INN] Rolipramum [Latin] ZK 62711